From First Principles - AI Breaks a 90-Year Math Problem, Life’s Alphabet in Space, and Science Funding (EP 50)

Episode Date: July 23, 2026

Hosted by Lester Nare and Krishna Choudhary, this episode moves from astrobiology to science policy to the rapidly changing frontier of artificial intelligence and mathematics.First, researchers analy...zing pristine samples returned from asteroid Ryugu report all five canonical nucleobases used by DNA and RNA. We explain what that does—and does not—mean for the origin of life, how JAXA’s Hayabusa2 mission collected uncontaminated asteroid material, and why comparisons with NASA’s Bennu samples strengthen the case that prebiotic chemistry may be widespread across the Solar System.Next, we examine the fight over who controls federal research funding. A proposed overhaul of the rules governing federal grants would give political appointees greater influence over awards, reduce the controlling role of expert peer review, and expand the government’s power to stop grants that no longer align with an administration’s priorities. We break down the roles of Congress, OMB, federal agencies, universities, and the courts—and why this dispute could reshape the American research ecosystem.Finally, we go deep on an AI-assisted counterexample to the Jacobian conjecture, a major open problem in mathematics. Krishna explains coordinate transformations, Jacobian determinants, invertibility, special relativity, and why this result appears fundamentally different from simple brute force. We close with the growing debate over AI-generated mathematics, human verification, open science, attribution, and the future role of mathematicians.SummaryAll five canonical nucleobases found in pristine asteroid Ryugu samplesHayabusa2, Bennu, and the possibility of widespread prebiotic chemistryThe fight over political control of federal research grantsCongress, OMB, peer review, and the American science-funding systemThe Jacobian conjecture and an AI-assisted counterexampleSpecial relativity, coordinate transformations, and invertibilityAI-generated mathematics, open science, attribution, and verificationSupport the showDonate: FFPod.com/donateFollow: @FFPod on X / Instagram / TikTok / FacebookShow NotesA complete set of canonical nucleobases in asteroid RyuguOMB proposed federal-grant ruleAssociation of American Universities responseLevent Alpöge’s Jacobian counterexample announcementLeiden Declaration on Artificial Intelligence and MathematicsHuman-verified remarks on the OpenAI-generated Erdős result

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Starting point is 00:00:58 product availability varies by restaurant. The recipe for life may not be uniquely terrestrial. And we found all five letters of the genetic code floating around in deep space with our first astrobiology story. Congress decided where the money went. It's law. It's not like an opinion. And the White House has begun to say, hey, this is, you're not getting any more money. He drops this tweet.
Starting point is 00:01:26 Hello there. The Jacobian conjecture is false thanks. and a T-H-A-N-X Hello, Internet. This is your captain speaking, Lester Nare. And I'm joined, as always, by my co-host and our resident PhD, Krishna Chowdary. This week, we have a rundown episode with three very intriguing stories. We're starting off with astrobiology, where new evidence suggests that asteroids possibly could have seen.
Starting point is 00:01:58 early earth with life's molecular building blocks. We'll then cover an update on the ongoing funding battle between the White House's Office of Management and Budget, Congress, and the scientific research community on a new funding policy change that would rewrite how federal research grants and the money that ultimately makes all of the great stories that we cover on this pod happen. Who gets to decide who gets the money and how the process by which it's awarded and distributed is important. And so we want to make sure we touched on this because this show would not exist without our current ecosystem.
Starting point is 00:02:38 And we will lastly end with a new math discovery that has rocked social media this week as AI cracked yet another 100-year-old problem, leaving mathematics to grapple with the very rapid and very troubling and unsettling change in the landscape as open problems continue to be knocked down by frontier models and what this means for progress, rapid progress in AI in the near future. And along the way, I think we might learn a little lesson in 3D calculus. I'm going to need that one. For the AI story, this is going to
Starting point is 00:03:17 be a little bit more of a deep dive in this rundown because it's pretty important. But as always, we're going to talk about the science from the ground up today because this is, we're going to from first principles. So today we are going to start off with my favorite subject, aliens, as many of you long-time listeners know. But what's interesting about this is the recipe for life may not be uniquely terrestrial. And we've found all five letters of the genetic code floating around in deep space with our first astrobiology story.
Starting point is 00:04:06 Yeah, this was super interesting to me because the Japanese space agency, Jaxa, put out this paper, showing that all five of the nucleotides that we know and love here on Earth with all of life, there's four in DNA, AT, G, and C, and then there's one that RNA uses. It uses the U-U-Urocil instead of thiamine that's used in DNA. They found all five on an asteroid. This isn't the first time that this has happened, but the fact that it's happened over and over is, I think, a very big deal. And it's hugely important for origin of life debate, things like that. It's hugely important for this theory called abiogenesis, which scientists have debated for a very long time.
Starting point is 00:04:55 It's this idea that the process by which life arises naturally can be from outer space, right? and actually from non-living matter. That's the idea, right? Abiogenesis means from non-living to living, a-bio. Now, the question is, on early Earth, which is around 4 billion years ago, this is right after the earth formed and it cooled down to the point where it could support liquid water. Life emerged remarkably fast.
Starting point is 00:05:24 Okay? It's like there was liquid water, and then immediately we have fossils of tiny bacteria-looking thingies. And the question is, how come it happens so fast? And what's the necessary chemical ingredients that can assemble so quickly to create something like life? One important hypothesis is exogenous delivery, meaning asteroids and comets. We already know that comets brought most of the water on Earth. Asteroids and comets, maybe they have genetic material and material for life,
Starting point is 00:05:59 and they act like a galactic postal service where life originates somewhere else. Let's not worry about how it originated somewhere else, but it originates somewhere else, and then an asteroid gets kicked out of that planet or whatever thing has the life. It roams around space for millions, maybe billions of years, and then it finds its way on Earth.
Starting point is 00:06:22 As an example that we've seen recently that we've covered on the show is, you know, the interstellar object of 3-I Atlas, you know, that came into our neighborhood, that was one of these travelers that was roaming around. Obviously, he did not make impact with Earth. But we've also covered the crater in Arizona. Yes, we've covered the crater in Arizona. We've covered how, like, actual Mars, a Mars meteorite could impact Mars, get travel to Earth, and then get on Earth.
Starting point is 00:06:54 And that entire process can be just enough. like just the right conditions where life under the surface of the asteroid could survive. Maybe not on the surface because it's got to survive reentry and all that kind of stuff. But like just under the surface, if there's life, it could survive the impact and it could actually create life on Earth. We've had several stories in the past that talk about this. So scientists have found individual organic compounds in meteorites that fell on Earth, right? But those samples always carried a major asterisk, which is mainly, that you can have terrestrial contamination.
Starting point is 00:07:31 The most famous of this is in the 1990s when Bill Clinton, he got in front of the press. Maybe it was in the Rose Garden, maybe? Yeah, he was in the Rose Garden and he said, I did not have. I always do this because we've covered this so many times. It's like a running joke now. But he was actually announcing a science paper by scientists at JPL
Starting point is 00:07:55 that showed that a Martian meteorite that they had found in Antarctica, might have had some bacteria-looking things. And then immediately the entire world community of scientists was like, well, no, that could be because you've either contaminated. And also just because it looks like a bacteria-looking thing, doesn't mean that it's actually bacteria from Mars. Right. So there's been a lot of debate about whether we can even make those kinds of arguments, right? Because once a space rock lands on Earth, it immediately gets contaminated by Earth biology.
Starting point is 00:08:28 So here, the hero of this story is a satellite slash bombing system by the Japanese space agency called Hayabusa 2. And what it did was go to an asteroid called Rygu, R-Y-U-G-U. Hopefully I'm pronouncing that right. What it does is it gets near this asteroid. it deploys a kind of remote bomb that pulverizes part of that asteroid. And then it goes back to that site, goes down, and then picks up the fragments of the pulverized rock. This is the alternative plot to Armageddon. Instead of going on to it and drilling, they did it from the atmosphere.
Starting point is 00:09:17 Yeah, yeah. And they did it remotely. Now we can do that, right? Right. So that's the premise of the whole thing. The next video actually shows this is a video from the Jaxa probe and it's showing you're lower down into the part of the asteroid that's been pulverized and you grab it. You grab that part and you come out. It's pretty cool that we can successfully like chase the spinning top asteroid blast a crater and then bring back pristine dirt from an asteroid back home.
Starting point is 00:09:49 Who is the one who was like, guys, I have an idea. Let's take a bomb. Let's explode it just above the surface so that we can then go down. Yeah, and then there's a bunch of dirt instead of rocks. Right, because the idea is the surface is solid. It's a little bit. You can't be. Yeah, and the rocks are kind of big.
Starting point is 00:10:06 And you don't want to have to have a drilling mechanism on the whatever probe you have. Yeah. It's clever. I'm very curious how that conversation went in the proposal meeting. Yeah. And the other thing I'm actually curious about is if the, if that little bomb changed the orbit of Ragu, right? Because we've talked about how planetary defense,
Starting point is 00:10:25 one of the biggest things that we can do, is just like put a minor explosion to change the momentum of that asteroid so that it changes the trajectory around the sun. I'm sure they're actually doing follow-up experiments to see if they can detect that tiny shift in momentum, which is extremely difficult. We've covered this in the past. So, Jaxa and the Hayabusa team,
Starting point is 00:10:47 they came out with a paper in nature, in Nature Astro, a complete set of canonical nucleobases in the carbonaceous asteroid, which means they have found A, G, C, T, and they found you, which is the alphabet of life in some sense, right? It's all the ingredients we need to ratatui ourself into the way of life. Yes, exactly. And if we go inside the lab, you actually have a photo of the sample that they've got back from the asteroid. So there you can see the dirt from the asteroid.
Starting point is 00:11:19 What they did was take that sample, run it through mass spectrometry, chemical analysis, and they could actually identify individual nucleotides, the same ones that make up our DNA in that dirt, which is, I think, pretty crazy. It's a big deal for a number of reasons, not only the execution of it, but to your point earlier, we've removed the contamination hypothesis from the list of options. Yeah, yeah. We've removed the contamination hypothesis, and it's the same nucleotide bases that we have, which is kind of like, it's kind of weird that like aliens would also have the same
Starting point is 00:11:57 nucleotides that we did. So you're saying there's a chance. It's kind of crazy, right? And the big picture is, so this isn't actually the first time, okay? NASA had a similar experiment in 2023 where they went to the asteroid Ben-New, and they found samples that had the five nucleotide bases. What's cool about this is one, that wasn't a fluke. The fact that it's happened again on a different asteroid means that this is something that is probably ubiquitous in asteroids and comets.
Starting point is 00:12:29 Which is incredible. Which is cool. Yeah. That's incredible. It's not a one-off thing. It's not like a special asteroid. We got lucky one time. Yeah. That's not what we're talking about. Twice and we find nucleotide bases. Not that this, and there's another variable in a short time frame as well. It's not this is every hundred years, every 300 years, every 1,000 years, something happens to come around that has it. Yeah. This was in a... Yeah, this is just local to our solar system, right? Which is also crazy. Yeah. I think I think it's really cool. And what you can do now and what the paper did is specifically compare the ragu composition of nucleotides with the Benu composition of nucleotides.
Starting point is 00:13:10 And they actually have different ratios. Okay. So both asteroids have the same building blocks of adenine, guanine, cytosine, thymine, and urosil, the same nucleotize that we have. But the proportions are completely different. In Benu, it's heavily skewed towards the pyramidines, which are the cytoine, the thiamine, and the urosil. But in ragu, they're more balanced. Now, what does that mean?
Starting point is 00:13:31 That means that, for one, there's complex chemistry happening, right? Either it's happening at the genesis of when the asteroid, like, formed, or it's happening out in deep space when this stuff, interacts with the ammonia that's on the asteroid, all the other stuff that's on the asteroid, and with the solar wind and with radiation from all over the place like cosmic rays. It could mean that it has something to do with the water rock interactions that are on the asteroid, the internal temperatures. But the main thing is it's a lot more complicated up there, right?
Starting point is 00:14:05 There's like actual chemistry happening. And it doesn't have to be on a planet. We have a cosmic oven, a cosmic easy bake oven that is our good. intergalactic postal service. Yeah. Like you sort of mentioned, which, and I think part of the point, what I'm getting from the point you're bringing up here is, you know, we like to keep our assumptions conservative
Starting point is 00:14:29 when it comes to particularly things like what's happening on Earth is happening everywhere else. We like to see it before we believe it. Exactly. Sure, maybe it's happening other places, but let's actually get not only one use case, Benu, but multiple use cases. And the idea that we're having now a catalog, now we now say there's a catalog because it's more than one.
Starting point is 00:14:57 Yes. And as we do more and more, I'm sure we're going to find more and more asteroids with these building blocks, right? It's like the universe is inherently preloaded with the chemical ingredients that are necessary for life. It's kind of insane. It's really fascinating. This is really, and I mean, there's so many, again, it feels like, well, we've already known this. Like, why does it matter?
Starting point is 00:15:18 But as we know with the process of science, like being able to have replicability matters a lot. Yeah. These missions are not cheap. No. Right. No. To pull this off. Yeah. And this is two, this is two different space agencies doing it. Right. Right. So there's no conspiracy unless Japan is in on it. Yeah. Right. Right. Right. Right. Which look, look. We'll put the, I'm just, I know, oh, of course. Yeah. Of course they're collaborating to conspire here. But it's not even something that's that, you know, quote unquote sexy to like even waste the time to do so. This is a really big deal.
Starting point is 00:15:54 And I do think the mix difference is also quite interesting because I imagine that there are several follow-up inquiries into seeing their journey. Mm-hmm. And understanding based on that that journey, why. Why is that mixed different? Yeah. Fascinating. Very, very cool. This is fascinating.
Starting point is 00:16:17 So, you know, as always, like, you know, I'm the alien guy, and this is great. But we're going to move quickly because this is a rundown episode. We have a big pseudo deep dive at the end. But before we do so, we're going to do a quick piece of housekeeping. For those listening to us on Spotify and Apple, we greatly appreciate your ears in your commute to work as you're working through cleaning up the housekeeping. house, whatever it might be. One of the ways you can help support the continued coverage that we do on this show is a quick five-star review, sharing it with a friend, bring it to Journal Club. For those of you watching, we always, if you can, recommend watching because each episode, we go through
Starting point is 00:16:59 25 to 65 different overlays where we actually show what's happening. And it really helps to understand what's going on when you can see it, but we are trying to work on making sure for our audio listeners that we describe as much as possible. Again, a like, share, a comment. Any of these engagements helps us win the battle against the billionaire algorithm. If you'd like to support the pod more directly, you can either donate directly at fppod.com backslash donate, or you can go to our new shop where you can buy some of our great merch. We are going to be donning that merch more frequently on the pod so we can shill accordingly. But as you all know, it's the two of us here bringing the greatest and the best
Starting point is 00:17:48 newest science discoveries to you every week. And any support that we get from our great FFP Nation is much appreciated. Speaking of money as it relates to science, our second story is going to be about funding policy in the United States as it relates to science. Every time we cover a study on the show, it could be genetics, medicine, physics, space. We always talk about the final product, which is the published paper,
Starting point is 00:18:24 and usually the history and the buildup to that. But what we don't talk about or see is the federal funding system that actually enables a lot of this funding. fundamental research to happen. The number one funder of basic research for the American ecosystem is the federal government, and it's what makes it possible. And there's a recent controversy that's arisen around this. But before we get there, I thought it might be helpful to briefly talk about the basic process, because many folks might not understand how this works. So in the
Starting point is 00:19:01 US Congress has what's known as the power of the purse or if you're from Boston pocketbook but the rest of us the purse the president proposes a budget every year at the beginning of the year that he proposes a but he or she proposes a budget but Congress ultimately decides how federal agencies are legally permitted to spend money and for what purposes so the executive branch has all these responsibilities but money and where it gets spent Congress ultimately is decided there OMB which is the White House Office of Management and Budget,
Starting point is 00:19:33 helps to execute the budget that is fundamentally decided by Congress. It apportions funding to executive agencies and sets government-wide rules about how that money can be spent. So Congress says, here's the money and who can spend it, and then OMB kind of just distributes how that goes. And this is how federal grants, especially in research, but not only in research are administered. Okay.
Starting point is 00:20:02 Normally, in the history of this process, the Office of Management and Budget doesn't select individual science awards or grants. It's not in the process of selecting who gets what money. That happens at each particular agency, National Institutes of Health, National Science Foundation, NASA, Department of Energy, where the experts are. They are the ones who get to decide how that happens. process is the agencies will announce a funding opportunity. Researchers will submit proposals. Experts evaluate their merit. As you know, very well in this process. And the agency officials ultimately decide which projects get to receive. You've been looking forward to this all week. And with Cutwater's cocktails, this took only seconds because tonight's about catching up, not catching the server,
Starting point is 00:20:58 Whether it's our cut water lime margarita, lemon drop martini, or rum Mai Tai, they're expertly mixed and ready before the snacks hit the table. Cut water. Expertly mixed cocktails. A perfect pairing for an evening with good company. Please enjoy responsibly. Must be 19 plus. Awards. Yeah. And shout out to my dad. He's one of the astrophysicists that's on a lot of these panels that decides which grants get awarded and things like that. And an expert being on that is something you absolutely. want to be there. And then from there, the university or research institution that receives the funding, employs the researchers, they operate the labs, they conduct the work, and eventually produce what we talk about on the pod, which is the paper.
Starting point is 00:21:44 So Congress funds it. OMB establishes the rules. Agencies select and manage the grants. Researchers do the science. That's how the process has worked forever. But now, you know, we're going to get into the current fight. But before we do, I do want to give a lot of credit here to many of the science policy journalists who have been doggedly covering this story closely, particularly Jeffrey Mervis, Jocelyn Kaiser, Lauren Martin Agudelo, Michael Greshko, and David Malikoff at both Science and AAAS. this is sort of in the weeds
Starting point is 00:22:23 and they've taken a very complex bureaucratic funding and policy process and have tried to make it connect to the actual science and impact that it has for people and this is really again a great source for us as we try to begin to now incorporate science funding policy into our discussions
Starting point is 00:22:42 because we would not be able to again have a show without this. So now we get to the current fight and it's always over who has the power to decide. So I'm going to kind of read through a couple of the details here, which are a little bit in the weeds. But so on May 29th, OMB, or can only decide the rules, right? OMB released this 412 page proposal to sort of revamp their role in distributing and managing grants and awards.
Starting point is 00:23:15 And this is the White House. This is the White House. And so this is a very, that's a very important note. It's not some, it's literally the White House's office of management and budget. Granted, they have a role in this process because they are the ones who initially derive and drive the national priorities when the budget process starts in January and February of every year. So this new proposal had until July 13th to provide comments. And OMB said that it wanted to sort of finalize these. new rules by October 1st. The proposal applies to all federal grants, not just specifically
Starting point is 00:23:56 science, but several of the provisions are kind of important. So we're going to kind of just briefly walk through a few of these. So first, senior political appointees could independently review discretionary grant decisions before awards were issued, right? Even before they were actually issued to people. Number one. Number two, peer review would quote, remain a part of the process, but the proposal makes clear that scientific reviewers, recommendations, like your dad, as you just mentioned, would be advisory and not controlling. Okay. Right. Currently, they have the controlling. What they say kind of goes. They're saying,
Starting point is 00:24:34 that's just more of just an opinion and we get to decide. And we being these political appointees. Right. Great. Nice. Don't really have any scientific. Yeah. Background. Third, the government would have broader authority to end existing grants if officials determine they no longer advance the current agenda of whatever party controls the White House at that time in terms of the quote national interest. Okay. And then fourth, the proposal would impose major restrictions on international research collaborations with countries that are deemed to be a national security risk.
Starting point is 00:25:10 The fourth one. Fourth one I get. That one has some standing. You could argue the details there. Yeah. Okay. So what is the argument from the White House, right? They're basically saying that they want to ensure that taxpayer money is lawfully, you know,
Starting point is 00:25:26 executed on and that it's aligned with our priorities. And there's no, the favorite phrase of DC, waste, fraud, and abuse. Right. I don't think if you look at the grand scheme of the budget, that scientific funding and grant funding is the biggest source of waste, fraud, and abuse. But they argue that the peer review process has become insular and, The final responsibility should remain to politically accountable appointees. That's the argument being made for why this proposal is being in place. And, you know, in a vacuum, you would maybe say, okay, maybe there's an argument here.
Starting point is 00:26:06 But obviously the scientific community has reacted very strongly about this going well beyond financial oversight. This is clearly a battle about power. And culture. culture. Yeah. Because science, which has always kind of brushed at the edges of culture, has never been quite as part of a zeitgeist, the zeitgeist as it has since COVID happened, in my view, frankly, at least in American culture. Yeah, I agree. Um, where it's really become now a culture war issue in a way that it really never was before. So obviously, the scientific community is arguing this is going to allow ideological nonsense to get involved
Starting point is 00:26:44 in the process. So the American, the Association of American Union, submitted a 47-page response, which I might add is the longest public comment in the organization's 126-year history. So clearly it struck a nerve because everyone understands what's going on here. And the primary, there's so many arguments to be made here, but the primary argument that they're making is that Congress, power of the purse, they ultimately are the deciders of where the money gets ascribed in terms of agency. That's right. Has not given OMB the authority to decide what categories of scientific research may receive federal funding. That power lies purely within inside the agencies and their statutory directives. So effectively, the universities are saying, the universities are using the constitution to try and defend the way that we fund science.
Starting point is 00:27:40 Which it is in the constitution. Yeah. Literally. As well as the actual mechanism of the movement. of and how money is budgeted like Congress decides how money is spent. Yeah. Period. The executive branch is effectively trying now to insert themselves in the process of how money is spent. Yeah. So there's to your point, there's a constitutional level issue here beyond even some of the practical matters. What's interesting is this proposal generated almost 500,000, 497,000 public recorded submissions.
Starting point is 00:28:18 So anytime there's proposals like these at different agencies or offices within all the branches of government, they opened up it to public comment. So almost half a million comments were like, obviously, this is ridiculous. So again, I know this is dense, but I think this is really important because the implications here could not be. more important to cover. So that's what's currently happening in terms of OMB trying to change the process. But the administration that's currently in the White House has already terminated and suspended several existing grants that were appropriated by Congress last year. Yeah.
Starting point is 00:29:01 So Congress decided where the money went. It's law. It's not like an opinion. and the White House has begun to say even for either programs that have yet to receive allocations or some programs that have received their first batch or not the second to say, hey, you're not getting any more money.
Starting point is 00:29:22 Yeah. Something you may or may not have some context for. Oh, yeah. I mean, I have several friends in the university ecosystem that are very worried about their future and their present scientific endeavors, right? Like they're in the middle of science, projects that they're and they have a few experiments left before they publish the big paper
Starting point is 00:29:43 in nature and science and cell and all this other stuff and yeah all of a sudden the grant funding is gone and you haven't quite finished the story what do you do right it's it's really tragic so as we have two sides of the story here there's the proposal that's happening but there's actions that have already been being taken since January of last year. And on July 17th, the federal judge ruled that agencies cannot use newly adopted political or pragmatic priorities to retroactively cancel grants under different criteria. So if in 2025, Congress appropriated money based on the national priorities at the time, and then in 2026, a new administration comes in and says, we don't want to do that anymore,
Starting point is 00:30:32 You can't do that. So that's been established in federal court. Now, a caveat to that is the government may retain legitimate authority to terminate grants, which will still continue to be challenged. But the judge's central point was that it cannot change the rules after an award has already been made, which is where we get the proposal language, which says they can involve themselves prior to the awards being distributed. This is continued where the Department of Health and Human Services notified 70 researchers funded by the Agency of Healthcare and Research Quality that their projects would not receive their next annual funding installments. So this is not even just in things like physics and biology.
Starting point is 00:31:17 This is also impacting health research studies. Those projects represented approximately $185 million in multi-year commitments. And so they've already received a distribution and they're saying you're getting no more money. even though they've already received the money for it. And what they're trying to do now as the legal battle has continued is change the language about what it is that they're doing. So HHS said the grants were not technically terminated. They were simply not awarded continued funding because it's a multi.
Starting point is 00:31:51 So rather than saying we're terminating funding for something that is a single allocation, we're saying, oh, this was a multi-year thing. and we're discontinuing the continued funding of what is a multi-year install. That doesn't make any sense. Are you serious? So it's basically termination under a different name. Yeah, it's termination, but they're trying to just voodoo magic. They're saying they're not terminating.
Starting point is 00:32:16 They're just discontinuing. Right, right. Very nice. I'm not the thesaurus, but they may be synonyms in this context. Yeah. And this is, so this is both a constitutional and budgetary dispute that that's important. So Congress does not vote on individual research projects. Right. Right. It just appropriates money to an agency. That agency chooses individual grants. Multi-year grants may also
Starting point is 00:32:39 receive their funding in annual installments rather than all at once. So you can have a program that gets a $50 million allocation in 2025, but it's spread over four years. Yeah, yeah. I mean, a lot of the, like some of the grants that I was supported during my PhD were these multi-year grants where like my advisor or like the collaboration that I was a part of. would get money every year, right? You don't get a lump sum. And so the debate is really around, like the executive branch
Starting point is 00:33:07 doesn't have unlimited discretion to decide their role in, again, managing the rules. Yeah. It's an administrative rule. Yeah, it's never been that way. It's not a discretionary rule. And this is a very, very contentious issue right now. So the central dispute is whether the administration
Starting point is 00:33:25 is simply managing the congressional funded programs or whether replacing Congress's priorities has, you know, their own right to do, like, if they have their own right to basically displace what Congress has already decided to do. And the last note here before we wrap up on this is there's sort of three different fronts that this battle is being fought over. So OMB, Office of Management and Budget is trying to rewrite the government-wide rules. that then gives them authority to say you can't get money. Congress is in the process of negotiating the next fiscal years appropriation bills, right,
Starting point is 00:34:09 at this same time. And federal courts are weighing in on how much authorities the White House effectively has on canceling existing awards. So all sort of three branches of government, the executive, the legislative and the judicial, are concurrently engaging in a battle to really define what happens here. The comment period for the rule proposal changes is over. OMB wants to set the statutory deadline for October 1st, at which point this would then take place,
Starting point is 00:34:47 these new rules would go into place for fiscal year, 2027. They're making the argument that this is about accountability. It is clearly not about accountability. because there's already systems in place to deal with that. The real kind of issue is, does the executive branch have the authority to make individual funding decisions within programs that Congress has already authorized? And again, this goes back to it.
Starting point is 00:35:17 It's a fundamental constitutional question. Yeah. Because it literally goes counter to the structure of our co-equal branches of government. So will federal research continue to be evaluated under rules disclosed in advance, informed by expert review, and tied to programs funded by Congress, or will every grant now be contingent on the changing political priorities of whoever's in the White House? And it moves all the time. So just because it stops for a four-year cycle or an eight-year cycle does not mean it's then going to flip the other direction. and we cannot afford to have a seesaw problem in what has made this country, a huge part of what has made this country stable and successful and resilient,
Starting point is 00:36:10 is the fact how we won World War II is because we've done this funding in a way that's already been structured. Yeah, I mean, you can go back to our America 250th anniversary episode, right? I think something like 80% of the stories that we covered were because of federal funding or because of like funding that came from taxpayer money somehow, right? And I'm sure a lot of those grants were awarded without political oversight, okay? Because I doubt the powers that be are going to understand why it's important to study bacterial immune systems. okay but then we get like restriction enzymes genetic engineering crisper come on guys what are we doing i don't want the people that did not understand that studies using transgenic mice yeah wasn't
Starting point is 00:37:04 talking about the the gender of mice yeah yeah like like you know what i mean like that's we can't yeah transgen and then they're like oh guys like how they should not be in charge of this kind of power. This is insane. We're going to keep you all updated on this process because it's happening in real time. We will know more over the next couple of weeks. The one note that I'll make is
Starting point is 00:37:32 this is not, we're not passengers to this process. And Congress is not particularly happy about this because whether Congress cares about the underlying science or not, Congress is not in the business of allowing the executive branch to take power away from them. Yes, yeah. Period. And so it is now becoming a battle between the legislative and the executive, and it's a midterm election year.
Starting point is 00:37:55 And so members of Congress are particularly sensitive to issues that are animating their constituents. And this is something that if you believe that basic science research is something that's important and that you value and that you think should continue to exist in the construction that it does, you have the opportunity as we get into August recess, members of Congress are going to be going to their home districts. They're going to be having town halls, attend, call their offices, send them emails. They track this stuff. One of the greatest secrets ever is that people don't understand how much these members actually listen to people who reach out. The problem is no one reaches out. And so all these specialty issues get kind of overlooked because they just, no one talks about it.
Starting point is 00:38:41 So it's time to put the pressure on on this issue. Again, the system is working totally fine. We don't want the White House of any administration involving themselves in discretionary issues around funding as it relates to Congress's mandate and the mandate of the agencies who do have the experts to make these decisions. And again, if you want changes around who those experts are in those agencies, there's a process for that. We don't need the White House involved. We really don't. Well, yeah, that's a, and you said, this is a developing story, right? So the decision is moving to October 1st.
Starting point is 00:39:17 So it's like right before the elections. Right. It's going to be a hot button issue and we need to make it a hot button issue. 100%. Yeah. You know, you guys, like federal funding of science is the bedrock of American innovation. And American innovation is the bedrock of why this country is so great. Okay, so we need to get on it, guys.
Starting point is 00:39:42 It matters a lot. Yeah. It matters a lot. And I know some folks's eyes will glaze over, but again, we wouldn't be able to talk about something like our next story without this ecosystem of funding because ultimately doing anything costs money. And I'm really excited about this story because it was all over my feed. Yeah. All over my feed. Yeah.
Starting point is 00:40:07 This was kind of huge because it happened in the middle of the World Cup final. It was actually crazy. The tweet that is at the center of this major, major mathematical breakthrough was tweeted in the middle of the World Cup final, which is when the entire world was fixated on something else. Who won that? I just, I don't know. I can't remember. I know it wasn't Argentina.
Starting point is 00:40:36 It wasn't Argentina. That's right. That's right. It was not. It was not. It was not Argentina. That's right. You love to see it. I just, you know, for everyone who suffered through our World Cup coverage, it's over.
Starting point is 00:40:48 So we'll stop the sports ball. But I just, I couldn't remember. Yeah, yeah. It's good to, it's good to remind oneself. Just, just to set the record straight. That's right. That's right. So this next story is about AI and how it is encroaching on fundamental mathematics.
Starting point is 00:41:04 It's very, very cool because, I mean, it's completely obvious, I think, to everyone who does not live under Iraq, that we are living through one of the most disorienting times in the history of human intellectual life. Okay. This is especially true when it comes to really, really hard intellectual disciplines like mathematics. Because for thousands of years, mathematics has been the one domain where human beings can claim something that is very close to absolutely. certainty, right? We can say that the act of understanding and the act of proving are one and the same thing. And a mathematical proof, it's been here since the time of the ancient Greeks with Euclid. It's a certificate of the truth, right? And it's a map as to why something has to be true. And very crucially, for the longest time, it's been something that only human minds can produce.
Starting point is 00:42:03 Very important point. Very important point. It's, you know, we've seen a lot of disciplines fall to computation. Chess has fallen to computation. The game go has fallen to computation. Protein folding has fallen to computation. And now we are finally seeing the shining city on the hill, which is pure mathematics. It is starting to fall, right?
Starting point is 00:42:30 There's crumbles in the inferences. for structure. I just want to briefly note that, you know, in our time at Princeton, some of the smartest people we had the pleasure of being able to be around. Yeah. And breathe the same air that they did were the maths folks. Yeah. We're the math folks. Yeah. Yeah. Like they were a level of smart that is really hard to wrap my own head around. Yeah. Yeah. Yeah. Same for me. I mean, I took some courses with them, right? And I was just like, I'm going to stick. I'll stick to the physics department, which is right next door. I took a few math courses, and it was extremely fun,
Starting point is 00:43:10 but I could just never see myself like being a math major, right? And I mean, even in the physics department, I was like, man, what am I doing here? But the math department was its own little game. And so this particular story has to do with an AI system. It was used by a researcher at Anthropic, which is like the synonymous, the company of Claude, the company that wants AI safety, AI safety. Regulatory capture.
Starting point is 00:43:39 Right. And it has apparently disproved something called the Jacobian conjecture, which is a problem that has been at the center of algebraic geometry and the theory of polynomial maps for about 90 years. It's insane. It's not proved it in the conventional sense because what it's actually done is disproved the conjecture. It has provided a counter-examined.
Starting point is 00:44:03 which is a mathematical object that violates whatever the rule is. It's a bit easier to do, albeit, than actually proving something, right? If you say a statement, proving the statement is a lot harder than just saying, hey, here's an example that shows it's not true. Because all you have to do is produce an example, and boom, the debate is over, especially in mathematics. We're going to get into sort of how that works and why it's kind of easier than proving, But I think it's still an insane achievement that a machine, effectively, a neural network that is just doing multiplications of matrices at the end of the day, is creating this kind of truth out of something that for 90 years, the top mathematicians have been apparently wasting their time with.
Starting point is 00:44:53 Yep. Trying to prove. And this is part of the ongoing debate about whether these AI systems are. quote, stochastic parrots that don't have any original thought and or anything that they do that's original is just by gathering all the information on the internet and or brute forcing. And I understand that sentiment, but I think it is a little bit more nuanced than the way in which it's presented in this black and white way. Exactly.
Starting point is 00:45:26 And I think like if you're not a mathematician, this should still matter. Because for one, it's showing the power of AI to think complex things in a very real sense, right? AI is restructuring the labor markets. And now it's going after really creative. Mathematics is a creative discipline, right? And a lot of people say that AI can't be creative. It's, as you said, a stochastic parent. Well, in this case, nobody had a proof of this.
Starting point is 00:45:58 And it has a novel proof. that the smartest people on the planet couldn't come up with. For almost a century. Yeah. It's huge, right? So mathematics, right, as I said, it's been the gold standard of human reasoning. It's the language of physics, the foundations of electrical engineering, every other kind of engineering, economics, medicine.
Starting point is 00:46:20 When we say... Literally everything. Literally everything. And when we say that something is mathematically proven, we mean it is literally true, right? It's not something out of physics where like you can do an experiment and then 400 years later, somebody can disprove the experiment because they went farther in the decimal places to measure something, which has happened time and time again. In mathematics, the decimals are inherent in your proof, right?
Starting point is 00:46:45 It's like it's there and it's true. And if I've proven that it's true, the logic is eternal. Would it be fair to say that mathematics is one of, if not the only thing that we have where you can say that there is an objective truth Yeah. When it comes to, when it comes to like a mathematical proof. Yes, it is, it is, it is like the pedestal of objective truth, right? You go from there are integers and I can add and multiply them to then all of the stuff, right? Euclid's theorem that there are an are an infinite number of prime numbers, that still holds true today.
Starting point is 00:47:20 Because no one can poke a hole into it. Why? Because it's a proof. They couldn't poke a hole back then because the logic was sound. and logic is something that is eternal, right? And so it's really cool. And when we start thinking about AI starting to do mathematics, not just assisting and not just suggesting,
Starting point is 00:47:38 but actually proving and disproving things, right? Then we start asking philosophical existential questions, and those become urgent, right? What is the role of the human mathematician? What is the role of the human mind? what does understanding mean if a machine can generate a proof that is true, that we can verify somehow through some kind of computation to be true, but we can't even understand it, right?
Starting point is 00:48:05 These are now becoming real questions. It's kind of crazy. So this is going to be a deep dive where I'm going to talk about the Jacobian conjecture, which is the thing that this AI model has disproven. We're really going to get into the weeds of it, and I think you're going to be able to understand exactly what it's done. And then we're going to talk about the modern phenomenon of AI and mathematics and why everyone, including mathematicians, are very worried.
Starting point is 00:48:37 Okay? So let's start with a Jacobian conjecture. It's something that was proposed by Heinrich Keller in 1939, so nearly 100 years ago. And it addresses a fundamental local to global paradigm. It has to do with maps. By maps, I mean going from one set of coordinates to another set of coordinates. So in order to understand the Jacobian conjecture, we have to first understand functional maps, which in physics language we like to call coordinate transformations. Here's the idea.
Starting point is 00:49:13 A map in this mathematical sense is when you take a coordinate plane or a coordinate plane, or hyperplane or many-dimensional plane, and all of the points in your original space get mapped to a new space. In this case, what we're seeing is a 2D plane being mapped to another 2D plane, okay? There's some kind of non-linear transformation where the new X-coordinate and the new Y coordinate
Starting point is 00:49:40 depend on the old X coordinate and the old Y coordinate, right? In this case, a square is taken into a parallelogram. Notice that the new X can depend on both the old X and Y, not just the X. And the new Y can depend on both sets of coordinates. This can happen in higher dimensions as well. The Jacobian is the ratio between the new area and the old area. Prime presents perfect pairings. What pairs with Reacher on Prime?
Starting point is 00:50:15 Reaching for a sparkling punch delivered with Prime. It's an unbelievable feeling when you're enjoying a punch. At the same time, Preacher is enjoying punching people. Wow, he's still punching people. Entertainment meets fast delivery. It's on prime. Which can also scale from 2D. Yes.
Starting point is 00:50:44 You can have volumes, for example. You can have a volume in 3D that goes to a new volume in 3D that goes to a new volume in 3D, right? A cube can become like a weird kind of rhomboid, whatever, is what it's called, I think. And then you're comparing the ratio between the volume or the area, depending on what dimensional space you're talking about. Between the two is where the Jacobian comes in. Yes, exactly. And in this case, I think, I think from my eye, the area is about the same. So the Jacobian in this transform would be one. Okay? That's what the Jacobian means. Effectively, it's saying, okay, I have a map, and that map is preserving area if the Jacobian is one.
Starting point is 00:51:23 If the Jacobian is greater than one, then it's going to larger cases, right? And like, when I think about maps, the reason why it's called a map is because it really starts from this concept of like maps of the earth, right? You can think about the Mercator projection or these other projections that change the area and change the shape, but keep the, sorry, they change the shape, but they keep the area the same. for example, with the Mercator projection, right? We all know that areas near the poles get larger. So the Jacobian near the poles is greater than one. Right? That's why Africa looks small and Greenland looks the size of Africa.
Starting point is 00:52:01 Because the Jacobian near Greenland is much larger than the Jacobian near Africa when it comes to the Mercator projection. But there's other projections where they try to preserve the Jacobian everywhere, but then that's going to distort the shape in some sense. So people would argue which is better when you talk about geographic maps? Is it better to keep the Jacobian closer to one? Yeah. Where you're going to get some shape distortion or is it better to have it have shape clarity?
Starting point is 00:52:29 Yeah. But you have distortions at some extremes as a really very, okay. Yeah. So that's what we're talking about when we talk about Jacobians. Okay. It's really, it's a ratio of how my transformation is changing little tiny areas, infinitesimal areas, right? Because in calculus, we think about, like, there's continuous transformation.
Starting point is 00:52:49 So the Jacobian here can be different from the Jacobian there and so on and so forth. It's not a family in the Game of Thrones is what you're saying. No, not at all. And so let's do a very simple case, okay? A linear transformation. Yes. Now, in this case, this is a very simple matrix 2112. Okay?
Starting point is 00:53:05 When we multiply that by any 2D vector, we're going to get a new vector. For example, the red vector is getting slightly skewed like that. So the red vector is really a one zero, that's the x-axis, just one on the x-axis, zero on the y-axis. That gets transformed to two on the x-axis and one on the y-axis, right? Similarly, the y-unit vector, which is 0-1, that gets transformed to 1-2, which means one on the x-axis, two on the y-axis. That's why the green arrow is slanted more towards the y-axis, the red arrow is slanted more towards the x-axis.
Starting point is 00:53:41 And in this case, the determinant of that matrix, if you were to do it, it's four minus one. So that's three. You can see that the square becomes a rhombus that's the size of three. And it has to do with the determinant of that matrix. So when we say a Jacobian determinant, that's what we're talking about. Okay? Yes. Okay.
Starting point is 00:54:00 So this is a very simple case. Now let's give you kind of a more complicated case, but one of my favorite coordinate transformations as a physicist, which is the Lorentz transformation. This is the transformation that we know and love from relativity. Right. Right. In special relativity, we have the Lorentz transformation. You might have heard that when we move fast, length contracts and time dilates. So the clock runs slower and length gets shorter.
Starting point is 00:54:30 That's two different things, right? Our coordinate in this case is, let's just think about 1D, right? There's a length. I'm like moving in this direction, so there's a length forward and back. in the direction of my movement. And there's also time. I've got a time on my watch. Now, time gets dilated.
Starting point is 00:54:50 What does that mean? That means that the clock is running slower, which means that a second is getting longer. But my length is getting shorter. So one coordinate is getting shorter and the other coordinate, the time coordinate, is getting longer. That is central to the fifth.
Starting point is 00:55:10 physics of relativity. And let me show you by considering this plot. So let's consider this plot. This is a plot that almost every physics undergrad has seen. On the x-axis is space. On the y-axis is time. So on the y-axis, we've got one second, two second, three-second, four second. On the x-axis is meters, but actually the one is not one meter. The one is one light second. So it's really like 300,000 kilometers, 600,000 kilometers. So it's it's the speed of light multiplied by one second, two seconds, three seconds, and four seconds. Why do we want to do that? Well, if we represent the x-axis that way, then the speed of light is a diagonal.
Starting point is 00:55:52 Yeah. Right? Because it's like one to one. It's like, okay, in one second, it travels one light second. In two seconds, it travels two light seconds. So you've got a nice, the dotted green line is what light would do in this coordinate system. Okay. So that's usually how we represent things in relativity.
Starting point is 00:56:10 All right. For many folks who math may not be something you do very often, the closest thing you may have seen that touches this concept is interstellar. Yes. When they're on the wave planet, the guy is on the ship still, and they have that time dilation issue because of exactly what we're talking about. Because of exactly what we're talking about, exactly. And so we've considered that plot.
Starting point is 00:56:33 Now let's consider, for example, we're in this plot, right? It's the two of us. Okay. We're both stationary. We're both in the same reference frame. I got a lot of motion. I don't know what you're talking about. But as of now, I'm gonna I'm gonna have you move. I'm gonna have you move in the next plot, but in this plot. I don't have motion right now, but I will in the future. I want to give you a little sense of how relativity is so cool. Okay, so let's consider we've got we're sitting here. This is x equals zero this table. Okay, and we set the time we have a stopwatch. I've got a stopwatch on my iPhone. I set it. to time equals zero. And let's say there are three explosions that happen, okay? Or like three light switches. In the physics textbooks, it's always like light switches. Let's do explosions. I like explosions. But we can survive the explosions. Okay. There's an explosion that happens here, where we're sitting, but in two seconds time. Okay. There's an explosions that happens in front of us
Starting point is 00:57:36 two light seconds away, so 600,000 kilometers away. Real close. And there's a explosion that happens behind us, two light seconds behind us. Okay, so 600,000 kilometers behind us. But they all happen at the same time because we're sitting here. And we see the explosions happen at the same time. Okay? So we're like, okay, cool.
Starting point is 00:58:01 The coordinates of these explosions in space time, Now we're thinking about coordinates in space time, not just space. The coordinates and space time are the explosion that happens here is at space equals zero. Yes. Because it's right here. And the time equals two seconds. The explosion in front of us is space equals two. Yes.
Starting point is 00:58:21 And the time equals two because it happened at the same time. And back there it's negative two, time equals two. When you say space time in this example, we're talking about two axes. Yeah. And this is space time. And so you can represent space time on a, on a two-dimensional x-y graph in this example. And it's not this mistake.
Starting point is 00:58:40 No, it's literal now. It's literal on a coordinate axis. This is the genius of Einstein. Right, okay. Right. He's like putting this stuff on a coordinate plane and he's asking, right? And this is actually, Lorenz came up with this stuff even before Einstein. He was thinking about Lawrence's transformations.
Starting point is 00:58:56 And Einstein's the real guy to be like, let's just take it seriously, guys. Right. Okay. So now we ask the following. we're both sitting here and we agree. If we were both sitting here, these explosions would happen at the same time. Now, suppose you were moving
Starting point is 00:59:13 that way to the front at very close to the speed of light. Okay? The three events that happen simultaneously for me, they are not going to happen simultaneously for you. Why? The explosion that's in front of us, But before you, before you, yeah, so this is me, right?
Starting point is 00:59:36 This is, this is my. Yes. So to me, everything's happening at the same time, which is why everyone's in the same time access. Yes. Now, before we consider the next plot, let's just think about what would happen. You're moving towards the explosion in front of me at near the speed of light. Which is at 2-2. Yep, which is at 2-2 for me.
Starting point is 00:59:54 For you. For me. But I'm moving towards it. At the speed of light. At the speed of light. At the speed of light. At the speed of light. Sue me.
Starting point is 01:00:02 Yeah. Okay. But if you're moving out there near the speed of light, now from Einstein's relativity, we know that length is going to contract for you. So the distance to that explosion is going to go down. And the time is going to get a little bit slower. But at the same time,
Starting point is 01:00:20 you're moving towards that explosion. So the light from that explosion is going to come meet you. Because we're basically, it's like two trains coming at each other. Yes. But because of the speed at which I'm moving towards it, from your perspective, it's going to take time for that light. It's going to take two seconds. But because I'm basically meeting the light before it gets to you at that speed, it's going to happen.
Starting point is 01:00:45 Yeah. And so for you, that event is going to happen sooner than two seconds, right? And it's going to happen closer than two light seconds because the length is contracted. Similarly, the event that happens here is going to take a lot. little bit longer than two seconds because this thing happens for me at two seconds, but then the light has to go to wherever you are. So it's going to happen a little bit longer than two seconds. And the guy, and the explosion that was way back there, that's going to take even longer. So what we should see when we look at your perspective, right? If we look at your perspective, the event that's
Starting point is 01:01:20 in front of you should go down on the y-axis and down on the x-axis, right? For your x-and-y. Yes. My X and Y is stationary. And when we say down on the Y axis, because our Y... So it's sooner in time. And it's sooner in time. And it's sooner in space. Right. And getting closer to the origin.
Starting point is 01:01:40 Yep. Yep. Yep. Okay. So now let's see how we did, right? With that logic. So we go to the next plot. In this plot, nothing has happened so far.
Starting point is 01:01:50 I'm giving you some analysis of what we're talking about. As I said, the diagonals are. light, right? So the diagonals are what light would travel, like the path that light would travel in my space time. Because again, our x-axis is light seconds. And our y-axis is just time. Seconds. Right. Right. And so that's why it's diagonal. And all of the dotted lines are diagonal because if a light beam started at t-equals one, then it would travel like at the, it would be the dotted line that's just above the t-equal zero. This is why we want to decrement the x-axis in this way so that it creates this simplicity to understand the point. Exactly. Exactly.
Starting point is 01:02:32 Now one of the one of the and the other big thing is there's there's two points and there's actually a line, a black line right on the right on the y-axis here which says I'm not moving, right? Because you're the one who's moving. So to me, I'm just stationary at x-equal zero. Yes. For all of time. Yes. Right. So no matter what time it is, I'm always at x-equal zero. Okay. So now what would you see for me? Well, you would see me, if you're coming from back there, you'd see me with a positive x-axis,
Starting point is 01:03:04 and then you'd see me go backwards, right? Because to you, I'm coming from up there and then going backwards, okay? Now let's go ahead and do the Lorentz transformation to see what you would see. Okay. Okay. Okay.
Starting point is 01:03:16 What would you see? What you would see is the following. You'd see the coordinate axes change. Yeah, yeah, yeah, yeah. And notice, first thing we want to notice is the three red dots are doing exactly what we had predicted. The event that's in front is getting closer to you. So the time is decreasing and the X is decreasing.
Starting point is 01:03:38 The event that's happening right here is going forward in time because it's not two seconds. It's a little bit more because the light has to catch up to you for you to be like, ah, there was an explosion. And the event that happened way back there is happening way farther at two seconds, right? But notice two things. And for one, the line that is me, which is usually time t equals zero, time, time equals whatever, X equals zero.
Starting point is 01:04:04 That thing is shifting to where at negative time, so before time T equals zero, I'm ahead of you and then I go behind you, right? That's the black line. Here's the key thing about this coordinate transformation, which is the genius of the Lorentz transformation. All of the diagonals are still diagonal. What does that mean? That means even in your reference frame, light is still moving at the same speed. It is still moving at the speed of light, right? What's really happening is the length is contracting and the time is getting faster,
Starting point is 01:04:40 but they're happening at the same rate such that the diagonals are always diagonal. Yeah, they're just shifting on the same ratio of proportionality to each other. Yes, yes, by the Lorentz factor, actually, is what. is what it is what it is. And so it preserves relativity because one of the tenets of relativity is that the speed of light is the same in any reference frame.
Starting point is 01:05:03 It's a constant. So even when we go into your reference frame, the diagonals are still diagonal, but the space has changed and the time has changed. The other cool thing about this is the volume of space time is always the same.
Starting point is 01:05:17 The area of the square becomes a rectangle, but the area of each rectangle is exactly the same. Yes, right? Again, because everything is purported. It's a shift that's happening. It goes back to this mapping point that you bring up earlier.
Starting point is 01:05:33 We are making this transformation in our map, but fundamentally our Jacobian remains as one the entire time. Yes, that's exactly right. And what that means is if the volume of space time is always preserved. Yes. In the Lorentz transformation. Okay. That's the central tenet of relativity.
Starting point is 01:05:51 Okay. Okay. That ensures that the speed of light is always the same for the both of us. And really, it's kind of crazy when you think about it. The universe is doing all this just to make sure that the speed of light is the same for me as it is for you. Because neither of us are right. Correct. Right. Your perspective is the same as my perspective. So the speed of light better be the same. And the universe is doing all this nonsense of contracting length and making time go slower. So that the diagonals remain diagonal. I'm not saying it's a simulation, but if you wanted to make it a simulation. Yeah, this would be a rule that I would code up. It would make sense. And I'm being facetious here, but I think the point you're bringing up is important, which is that the constant of the speed of light requires the universe to do all this other stuff.
Starting point is 01:06:40 Yeah. So that regardless of your speed or your position in the universe, it's, it remained, that constant remains the same. Exactly. Which requires it to do all this other stuff. All those other things. So it's almost like the speed of light as a golden rule. Yeah.
Starting point is 01:06:57 It always must be followed. Yes. No matter where you are, no matter how fast you're going. Because I don't know if you're moving or I'm moving, right? We'll figure out the other stuff to make it happen. Yeah, exactly. And so that's a central tenant of Einstein's special relativity.
Starting point is 01:07:11 Okay. And that's the Lorentz transformation that gives rise to all of the rich behavior that is a consequence of special relativity. So that, again, is just a, that's a linear transformation, as I said, right? It's not too complicated at the end of the day. I was able to get it very quickly. Yeah, yeah, exactly. It's not crazy.
Starting point is 01:07:31 Special relativity is, like, actually not that bad. When you, like, really just think about it, it's like, yeah, kind of makes sense. It's when we get to general, when it's like, I don't, whoa, whoa, whoa, slow down. I just got here. Like, so that's special relativity, right? And the Jacobian there is one, meaning that the volume in space time is preserved no matter what reference frame you're in. Okay. And when you say reference frame, you mean both position and speed.
Starting point is 01:08:00 And time. Both position and time. Yeah, yeah. Whatever volume in your position and time versus my position and time are going to be exactly the same. It's just that each individual thing is going to be changed, but the product of the two are going to remain the same. Yep. Right? Because the Lorentz can't the Lorentz factor is going to cancel out. Makes sense.
Starting point is 01:08:18 Okay. And that happens in, we showed a 1D case where we were only considering like, you know, forward and backwards where the boost is. But this, this applies in all three. In that case, you get like the Minkowski-Tensor and all sorts of stuff. But that's effectively what's happening. So this is a coordinate transformation, right? Space time gets distorted, but the Jacobian is one. So the volume of space time remains the same. Now let's talk about nonlinear transformations.
Starting point is 01:08:46 This is an example of a non-linear transformation. Here, the x-axis goes to x plus sine of y over two, and the y-axis goes to y plus sign of x over two. This is what I mean by now you can start mixing stuff, right? In the other one, you were also mixing, but here you're doing it in a non-linear way. You're not just like adding some Lorentz factor times the constant. This is like sign, which is an oscillatory thing.
Starting point is 01:09:13 And so you're seeing like stuff shift, right? Things are getting wiggly. Okay. In this case, what is the Jacobian going to do? Well, the Jacobian now is actually different in different spots. You can see in some cases the areas are getting squished. In other cases, the areas are remaining about the same. Okay?
Starting point is 01:09:31 And if we go and see and zoom in on a central area element of this transformation, what happens? Well, let's look at those, let's look at that sector that's right in the middle of the 1-1 box. Okay? Now, the transformation is non-linear, so it's curved, right, in every sense. But the beauty of calculus is the following. If I take a small enough element, stuff is mostly going to be a line. That's all calculus is. Like the essence of calculus is weird stuff is happening.
Starting point is 01:10:09 but if I take a small enough element, it's mostly just linear. Calculus. Just zoom in. Just zoom in and the square becomes a parallelogram. It's not becoming a weird curved shape. It goes back to the example we just talked about previously, but it's all about what is your perspective of the, or context by which you're making your calculation. Yeah, exactly.
Starting point is 01:10:35 And in this case, we can understand what the Jacobian is because the Jacobian at that point is going to be, what is the ratio of the square area to the new parallelogram area? Okay? In this case, it looks like one because like it's getting squished and this, like the rhombus looks about the same. So in that locality, the Jacobian is one. But somewhere else it could be two, somewhere else it could be less than one and so on and so forth. But that's the beauty of calculus is that you can zoom in and you can figure out a well-defined Jacobian at every given point. We have a larger complex system, but at sufficient zoom in, that, that kind of. complex system still comes back to the fundamental that we just talked about. Yeah. Okay. Yeah, exactly. And so now we've got this core concept, which is the Jacobian matrix. The Jacobian matrix tells you how each of
Starting point is 01:11:18 the directions sort of swish and become one another. And the determinant of that matrix tells you the ratio of the areas before and after. Or I should say it's the ratio of, it's the ratio of areas after divided by before. Okay. So two means that the ratio went up, less than one, means the ratio went down. There's also negative Jacobians, which means that the axes got flipped. Okay? So it's like, I mean, it's just flipped. Yeah, it's like it's like it got flipped, right? Okay. So if the determinant at a given point is non-zero, as we just saw, then it signifies a linear approximation, right? And it doesn't collapse. Now here we've got an example that is at the center of the Jacobian conjecture. Okay. We got to consider situation.
Starting point is 01:12:07 where the determinant is a non-zero constant. It's a constant everywhere. Meaning, no matter where I am in my map, the area is actually the same. Even though the upper part is getting more squished, you would think, the actual area, the ratio of the areas, is actually exactly the same.
Starting point is 01:12:26 This is a particular map that I came up with in Desmos. There's a lot of really cool Desmos pre-made applications where you can plug in your own custom linear map and you can visualize how the map is going to change the axis. So in this case, the new x-axis is X plus one-fourth Y-squared and the Y-axis is just the Y-axis. So every Y gets plotted to its own Y,
Starting point is 01:12:55 but the X gets shifted by a parabola. That's why these things are becoming a parabola, but like the horizontal lines are remaining horizontal lines. It's going from lanes on a highway to attract, the electrical of a track. Yeah. And the lanes on the highway is the X, right? So that's why that's getting shifted into a parabola. But the horizontal lines of latitude, so to speak, are remaining the same.
Starting point is 01:13:19 Because the Y just gets plotted to the new Y. Nothing happens. Okay. In this case, if you were to plot the, if you were to plot that area, that little green area, that little green area becomes a parallelogram, but the area is preserved. The Jacobian here is one. If I were to take that area and put it up top, the parallelogram might get more squished, right? It might have a different shape, but the area is still going to be one.
Starting point is 01:13:44 This particular mapping is one where the Jacobian determinant is constant, meaning that the transformation of area everywhere to all of infinity in X and Y, the area is preserved. Okay? Now, given this, one can ask, suppose I was given the end product. Okay? If I was given the end product of the last, like the, the, the points in that after the transformation. Yes.
Starting point is 01:14:19 Suppose I were given the points after the transformation. Can I go backwards? Right. Meaning is the map invertible. Yes. Okay? In this case, it is. You can actually solve for it.
Starting point is 01:14:29 If you give me the new X and Y coordinates, in this case, I'm going to call it U and V, because U is going to be my new X axis, V is going to be my new Y axis. If I want to recover the old X and Y axes that gave me that point, I can just do the mathematics and plug in, it's actually U minus 1 4th v squared. So the plus 1 4th becomes a minus, okay? And then I can recover the old map. Is it, is, as a concept to help me grok this, is it similar to when you talk about encryption and decryption, when you have the key in the middle, very good. You're, you know, you're able to go back, even though it's jumbled.
Starting point is 01:15:06 Yeah. Because you have the key that is, allows you to, okay. Exactly. Exactly. And in that, in that particular transformation, right, because the Jacobian was not zero, I could go backwards. If the jocobian is zero, what does that mean? That means an area collapses into a point or like a line, something with zero area. Well, what that means is now we've got a bunch of points where it's degenerate.
Starting point is 01:15:29 Like, let's say the extreme case where like a giant square collapsed into a single point. Well, now if you give me that single point, I don't know where in the square it came from. Right. Right. If you give me a line, for example, the entire square gets collapsed into a line. Well, that line is only 1D information. I don't know where in the 2D the thing came from. You need both.
Starting point is 01:15:49 You need both. Yeah. You can't have only one and then zero on the other. Exactly, right? And that happens when the Jacobian is zero. So when the Jacobian is zero, I can't go backwards. It's not invirical. That makes sense, right? And that's, and that's like a well-known theorem in calculus, right? And where locally, if I have the Jacobian that's not zero, then I can go backwards. That makes sense. Okay. Now we can finally understand the conjecture. Okay. The Jacobian conjecture is the following. It says that if I have a map where the Jacobian
Starting point is 01:16:19 is a constant everywhere, can I always go backwards? Right. Everywhere. Okay? If the constant is, if the Jacobian is constant everywhere, can I always create an invertible function? You give me a function where the Jacobian is constant everywhere, can I always go backwards? Okay?
Starting point is 01:16:40 The formal statement is the following, okay? Let K have a characteristic of zero. K is a ring. A ring really just means like numbers, okay? Okay, mathematicians have other types of rings, but for us, let's just say they're numbers. Okay. Okay. They have a characteristic of zero. A characteristic of zero, a ring really means something that has addition and multiplication, okay? A characteristic of zero means that, you know, a ring has a one. It's some kind of element that's a one. For example, in the matrices, the one element is the identity. For numbers, it's just the number one. and a characteristic of zero means no matter how many times I add one to itself, I'm never going to get back zero.
Starting point is 01:17:20 Okay? That just means to me normal numbers. Okay, mathematicians will come up with rings that have characteristics that are non-zero where like I add the number one five times and I get zero for some reason. I don't know why you would want to study such objects, but they find a way. In any case, we're talking about normal things here. Okay? Let K have a characteristic of zero. So this is just real numbers, complex numbers, things like that.
Starting point is 01:17:45 And if JF, which is the Jacobian determinant, is a non-zero constant of some functional map, then F, which is the functional map, has an inverse function G, that plots my n-dimensional space back to the n-dimensional space. Yeah, yeah, yeah. Okay? And this thing is regular, meaning that its components are polynomials. Okay. Okay. So if I have a polynomial function that's going in,
Starting point is 01:18:12 polynomial meaning things like x cube plus x squared y, like powers of stuff, then the inverse map is also a polynomial. Okay. That is the Jacobian conjunctuary. Okay. So this is actually interesting because now, now I can understand the formulation here of what we, like what this open problem is trying to suggest.
Starting point is 01:18:37 Yes. It's trying to suggest that any time, I have a function where the Jacobian determinant is a constant everywhere, meaning the function preserves area. Preserves area. I shouldn't say preserves area. It scales area, but it scales it in the same way everywhere. Okay? If this function scales it in the same way everywhere, then I should always be able to go backwards.
Starting point is 01:19:01 I should always be able to decrypt my encryption. Yes. Okay. As long as it preserves area in the same scale everywhere. Okay? That's the conjecture. It was formulated way back about 90 years ago, and people have been trying to prove it ever since. Okay?
Starting point is 01:19:20 That is the question. The problem was number 16 on Stephen Smalley's 1998 list of important mathematical challenges, and it has very famously defeated top top mathematicians, which we're going to get into later. Top 20, baby. Yeah. That's top 20. Top 20. That's quite nice.
Starting point is 01:19:37 Open problems. Yeah, that's quite nice. Now, July 19th, 2026, in the middle of the World Cup final. Okay. Levant Alpege, he is part of the Harvard Society of Fellows and also one of the researchers at Anthropic. He drops this tweet. I saw it within 30 minutes of it going out. Yeah, because it was insane.
Starting point is 01:20:01 Literally 30 minutes. Yeah. First of all, it's all. all lowercase, it looks like he's trolling. Yeah, yeah, yeah, yeah. You know, hello there. The Jacobian conjecture is false, thanks. And T-H-A-N-X.
Starting point is 01:20:15 This is very... Thanks to my close friend, Akil, Akil, we're going to get into who that is, for asking about it, and my other close friend Fable, which is the AI Anthropic model, for working during the World Cup final. And then he just shows the counter-example.
Starting point is 01:20:30 He just writes it out. There's so many things about... I'm not going to bring it up now. And it could fit in a tweet. You know, there's like the 100 character, whatever limit thing. Yeah, yeah, yeah. He just fit the entire proof in a tweet. That's all you need.
Starting point is 01:20:42 Arguably, if NFTs were still a thing, this NFT would be very valuable. Bro, that is, I would buy this NFT. This would be so valuable. Yeah, I would, we would get this NFT for the MFP involved. Right, exactly. Because it, you know, for those who may not understand Twitter culture and the, you know, it is like, it's a moment in time. You had to be there. And to see, because it's real time and so many people, especially in the AIA research community, are there.
Starting point is 01:21:10 And apparently also we're not watching the World Cup final at the time. The immediate conversation that arose literally within an hour of this being out there was as a bystand, as like an innocent bystandard was one of the most fascinating things. Yeah, this was insane. When I saw it, because I heard about the Jacobian conjecture. when I was at Princeton doing mathematics, I took a course in, like, algebra, and they, like, dropped hints of it about how it was unsolved, but it's, like, fairly easy to understand. Yeah, yeah. Right? Yeah. It's like, if you don't get into the weird rings and all that kind of stuff, like, as a physicist, I was like, oh, you're talking about numbers, you're talking about coordinate
Starting point is 01:21:51 transformations, you're talking about, okay, like, it kind of makes sense to me, okay? And then to, to see this come out in a troll language, I think it's just so, so funny. Okay, so let's talk about that exact solution that it has. Okay. And in the next, in the next overlay, we have a type formatted because within hours it was on Wikipedia. Which is, right? You go into the Jacobian conjecture Wikipedia article. It says counter example.
Starting point is 01:22:16 And it shows that it's not true. You know that meme where the, we got him. We got it with what's his name and the balloons and confetti? Yeah. They did it immediately. Yeah. Yeah. Immediately.
Starting point is 01:22:27 Right. And this is a counter example, meaning he has shown a map where. The Jacobian determinant is a constant. So this functional mapping, this map between this is in 3D. So we're taking 3D space and plotting it to another 3D space. So volume is getting morphed. But the volume getting morphed is always at a constant of negative 2, meaning one of the axes is flipped. So it's like getting flipped.
Starting point is 01:22:54 And if you've got a cube of the size 1, it becomes a cube of size 2. Okay, in the new one. but like one of the axes is a little bit, is flipped. This is a functional map that shows that we've got a constant Jacobian determinant, but two different points are being plotted to the same resulting point. Uh-huh. Meaning, if you gave me that resulting point, I couldn't tell you which of the two it came from.
Starting point is 01:23:23 Yes, yes. The point being, it's not, you cannot, you don't have the ability to go from, the result back to the original map because two points, point to the same place. It could be one of the, it could be one of two things. So it's inherently not invertible, right? It turns out there's a third point as well. Okay. And this is actually, what's crazy about this is you can do this yourself.
Starting point is 01:23:47 Right. And I actually did it. Like before we, before we like, as I was doing research for this episode, I went ahead and did it by hand. And I can show you my work. It's in the next one. Yes. So this is, I did it myself, right?
Starting point is 01:24:03 I took the, I took the, the three components of the function. So the new X coordinate is some seven degree polynomial that has, that mixes X, Y, and Z. The new Y coordinate is another, I think, seven degree polynomial. And then the, the Z coordinate is not a seven degree polynomial. It's a little bit simpler. But I've got this map where X, X, X, Y, and Z goes to a new X, new Y, new Z. I calculated the derivatives. which are on the left.
Starting point is 01:24:31 So that becomes a matrix, which you see on the top right. Right. And then I did a little bit of cheating because I decided I didn't want to multiply all those polynomials. Okay, I wanted to see if I could still do it, if I still got it. And I got halfway and I'm like, I still got it. So then I went on Wolfram Alpha and I just multiplied all of those polynomials to calculate the determinant.
Starting point is 01:24:53 And the determinant is negative two. And then I went ahead and plugged in those two numbers. So fascinating. And they went to the same number, negative one fourth, zero, zero. There you go. I did it on a single piece of paper plus, okay, a little bit of Wolfram Alpha, right? It would have involved another piece of paper for me to do it. But I was already, you can see the crossing out.
Starting point is 01:25:13 I was like starting to make mistakes. I was like, let's. This is so interesting because, you know, and I think this is why it had the, you know, it comes back to your point earlier about why it's easier to disprove than to prove because especially given the structure of this open problem and the nature of the disproof, if that's the right naming. The counter example. Sorry, the counter example.
Starting point is 01:25:43 It does not, anyone can do it and see that it is true going back to our point about mathematics. Yeah. And the objective nature of it. Yeah. Structure. Exactly. I did it. Anyone can do it.
Starting point is 01:25:55 Right. This is something that algorithmically, there's no AI here. Right. Right? It's just, it's an algorithmic process of taking derivatives, taking the determinant of the Jacobian. There you go. Boom. There's a constant determinant and two points point to the same thing. So I can't go backwards. I can't go backwards and it's not invertebral, which means the Jacobian conjecture fundamentally not a real thing. It's not a real thing, right? It's not a real thing. And it's a counter example in degree, well, it's in degree seven, but it's in three dimensions, right? Which means for all higher dimensions, it's also not true. Because I can just take, like, consider the trivial map where I take a function of four dimensions, let's say X, Y, Z, and T. T is our fourth dimension in a la relativity. X, Y, and Z do what that function was doing, and T just points to T, right? So the time doesn't change. That is going to have the same Jacobian determinant, and the things are going to point to the same point in 3D space, and the time doesn't change. Right? I can do that for n equals five, n equals six. Any dimension greater than three now.
Starting point is 01:27:03 So this is disproved all dimensions greater than three. Right. So it's only true in two. Yeah. Now it's like doubt's an open question. Oh, right, because we don't know. We don't know. We don't know. Right. Right. So now the Jacobian conjecture is yes, only in two dimensions. Only in two dimensions. Now it's still an open problem. Open problem. Right. Not yet solved. Okay. But that's interesting. But like for all the infinity of dimensions above. Which is like. Like really a much more meaningful. Yeah, yeah, it's crazy. No, this, and I think what's so interesting is that, again, and I was, we might get to this, but one of the things that people's,
Starting point is 01:27:41 people always want to view a solution that has an AI system involved as being, there has to be some, you know, it's a magic show. Yeah. So there has to be some trick somewhere. Yeah. Right. Oh, was, you just ask Fable,
Starting point is 01:27:54 the latest frontier model from Anthropic to just brute force it. And if you look at the amount of time required to brute force, it's just, it's like to the power of crazy. And that's actually my next point. Okay. We can actually ask, did Fable just brute force? Right, right. Did it just do like supercomputer nonsense? Because they have a lot of computers.
Starting point is 01:28:18 Yeah. And there's history behind supercomputer nonsense. Okay. So let's talk about like this is a counter example. Okay. Okay. And historically, computation has been very good at producing. counter examples, okay?
Starting point is 01:28:29 Way back in the 1960s, actually. So let's talk about Oilers' conjecture. Oilers' conjecture is the following. You remember we were talking about, like, Fremat's last theorem and the Pythagorean theorem? Like, the Pythagorean theorem is that, like, the sum of two squares can equal another square. So, like, two thingies to the power of two
Starting point is 01:28:48 equals another thing to the power of two. Trivial example, three squared plus four squared equals five squared, because nine plus 16 equals 25. Plato, way back in the day, had found another kind of Pythagorean looking thing, where he showed the three cubed plus four cube plus five cubed is actually six cubed, which is kind of cool. Yes. It's called Plato's number.
Starting point is 01:29:13 So, all right. The Euler looked at this, looked at Plato's number, and he said, well, look, if I need, in that case, I needed three cubes. Yes. To get to another cube. Yeah, right. Okay? Right.
Starting point is 01:29:27 So Euler is like, what if I need N to the nth power to get to another nth power? I need at least N things to the nth power to get to another endth power. So if I want to, if I want something like A to the fourth plus B to the fourth plus C to the fourth, I would need another D to the fourth in order to get to an E to the fourth. He was trying to generalize. Yes. Plato's number. Exactly.
Starting point is 01:29:50 He's trying to general because Pythagorean theorem already happened, right? Three square plus four squared equals five squared. Plato's number is saying, okay, I need three cubes to get to another cube. So maybe I need four to the fourth power to get to a fourth. I need five to the five power. Right? And that's, that's Euler's conjecture. Remains untrue for a very long time.
Starting point is 01:30:06 Lo and behold, Lander and Parkin in a very, very famous mathematical paper, one of the shortest math papers of all time, right? They're like direct search with the CDC 6,000, 66,000, which is one of the first successful supercomputers. they just brute forced it. Yep. And they found a counter example. 27 to the fifth power plus 84 to the fifth power plus 110 to the fifth power
Starting point is 01:30:34 plus 133 to the fifth power equals 144 to the fifth power. So I only needed four fifth power thingies to get to a fifth power. We don't like that. Yeah. And there was just like, it's the smallest instance
Starting point is 01:30:46 in which five fifth powers. There you go. Sorry. Sorry. Euler, you're wrong. Which is crazy to say. Right. The oil is wrong.
Starting point is 01:30:56 But this is a perfect point. This is why people immediately go to, again, you know, the... Oh, they just brute force. Yeah, right. Right. And this, in this case, the brute force, it could work. Because the sample space that they were, they were just like, okay, let's just go for fifth powers. Let's go all the way up to like 200 for all the numbers.
Starting point is 01:31:16 And let's just try it out. And it happened to be that. And the search space is small enough where with a big enough supercomputer, I can do it. And this was some time ago. Yeah, this is in the 60s. And now we found more and more exceptions of Oilers Conjecture. It's rare. It's increasingly rare.
Starting point is 01:31:31 And there's a lot of mathematics about how rare it is. And that's its own mathematical field. But let's consider, could Fable have just like brute forced it? Right. I don't think so. I think this is fundamentally different, right? The search space is actually, I think, too large. Because here, what we'd have to do is test every single function.
Starting point is 01:31:52 of polynomials, right? There's X, Y, and Z. So let's just do like, okay, it found like the seven degree polynomial, right? There was an X to the seven there. If you just think about seven degree polynomials and seven degree maps, so you can have seven degrees in X, seven degrees in Y, seven degrees in Z, right? And each of those can have different numbers, right? So that's, first of all, that's 343 different polynomial terms.
Starting point is 01:32:21 each of those polynomial terms can then make up 1,300 cubic equations, and then the coefficients of that equation, right? Is it 1x squared y? Is it 2x squared y? Right. Is it 1x cubed y? Each of those coefficients to create individual functional maps, even if you were to test within a tiny integer range of, let's say, negative 10 to 10,
Starting point is 01:32:42 and try all of the different coefficients, that would be something like 10 to the 475 candidates. Right. Right. Right. Even like a million cubic quantum computer, if we were to create a quantum algorithm that could somehow do this, which I'm just saying we don't even have one. For another day. Yeah, that's for another day. We don't even have one. But like, you can't, you can't do that. This is not a brute force thing. Right. Like, Fable had to understand something about the structure of polynomial maps. Understand something about the properties of polynomial maps where the Jacobian is. constant and then look for places where things would overlap because if the Jacobian is constant,
Starting point is 01:33:26 that means that any given like infinitesimal area is being put into the same thing. So it's not just trivially that like the thing is going to the same spot. It's like there's like overlap happening where like different parts of the of the space are getting mapped to the same thing in some weird way. But somehow the Jacobian determinant is still a constant. I think what's been interesting to hear about the discussion of open problems and AI systems. And this is, I think, is a perfect example. There was a discussion, it's going to escape me who it was with, but there were sort of three different, there are three people in the field who were coming from three different perspectives about AI's potential in particularly this idea of novelty or, or scientific
Starting point is 01:34:13 discovery as a general, not well-defined term. And one of the argument, was that even if a system like Fable has scooped up every math paper ever, yeah, right? It also has the benefit of having every physics paper, every biology paper, and because of the way structurally these fields are for human beings, although it's maybe changing in recent times,
Starting point is 01:34:47 people who are very deep in a particular lane or expertise in math or in physics or in biology, they may dip their toe in orthogonal fields, but they don't have the same level of expertise in their own field in that other field. Yeah. And simply by just having that same level of expertise in a cross-functional and a cross-field way, because a lot of science is making these connections that are non-obvious. The ability for these systems to make connections
Starting point is 01:35:21 that are non-obvious is just exponential. Yeah. And we may discover that there are a lot of solutions just simply in taking known information and finding things you can carry over from physics that have an application in math that we've just not explored. Yeah, that's true.
Starting point is 01:35:44 I mean, like in string theory, for example, string theory bleeds a lot into fundamental mathematics, right? Now, one of the things that is really unclear about this discovery is like what the prompt that was used, right? If the chain of thought has some insight into how it got to this particular functional map. Right. Right. And whether it used all of those, all of that knowledge. Like that was my, that was my suspicion when there was that one discovery that we talked about with the glue on. tree and like how there's like a seven gluon
Starting point is 01:36:16 Feynman diagram that it could calculate that's non-zero and that's something that we have to worry about. I was like, okay, maybe there's some mathematics that's happening elsewhere that is like bleeding into this physics, right? It's however very rare to go up the chain of logical inquiry. And so and that's why I'm like freaked out kind of.
Starting point is 01:36:35 And this, I think this is an important point because I wanted to lay that out there. Yeah. To this exact note, which is like, even if that's true what I just walked through. What we're talking about with this allusion to the Jacobian conjecture seems to be outside of that, potentially outside of that sandbox.
Starting point is 01:36:54 Yeah, yeah. Which seems. It seems. I don't know. I don't know enough. But see. And I'd love to talk to Levant. Even the potential.
Starting point is 01:37:01 Yeah. That it's not obviously what we just talked about, which has been the case for other things. Yeah. It's like, oh, they made the connection here and you can draw the through line. Even just the potential that that's true. Yeah. is, you know, and people, part of it's the, you know, the Levant who discovered it is obviously
Starting point is 01:37:17 one of the world's greatest mathematicians, has been so for a long time. Well, but he's not. Oh, he's not. No. Oh, I mean, look, no offense to Levant. Look, I don't want that heat. Look, look, I love offense to Levant. He's got a Ph.D. from Princeton.
Starting point is 01:37:30 So he's clearly, like, in the top one percent of mathematicians, I'd say, right? So on and so forth. But he's not like an active researcher, I would say. Okay, okay. That's fair. That's fair. That's fair. And, but he knows clearly.
Starting point is 01:37:41 I mean, he's a researcher and anthropic, and he's very good at understanding how to use and leverage anthropic, right? And clearly he knows a lot about mathematics. Yes, yes. Right? But this isn't like someone like Peter Sarnak that's like a number theorist using this stuff, right? And that's why I really want to know what the prompt was. Which almost makes it again even more.
Starting point is 01:38:05 Yeah. Like he's clearly gifted, but he's not at that top level that's getting Fields medals. Fascinating. I just, there's so many angles to this story that I think are, you know, again, a lot of the CEOs and people around who are at the frontier of these systems who have unlimited compute with them, by the way. Yeah. Which is part of the value at there. Have been sort of the canary and the coal mine around that look at, they've been saying that this is where it's headed. It says.
Starting point is 01:38:34 And everyone's kind of been like, yeah, yeah, show me. Yeah. Well, yeah. And there's several examples, right? Now, before we get into the other examples, one thing I wanted to talk about was, like, how humans have been approaching this problem. Right. Right. There's been this degree paradox where human researchers have spent decades brute forcing variables. Like, we've been doing a lot of the brute forcing up to 16 variables, degree 100 plus.
Starting point is 01:38:59 So for 2D, for example, we've been focusing as humans a lot on the 2D case because we thought 2D would be where we could find with the least amount of computation, some kind of, counter example, right? But it turns out there's proofs that show that the that the smallest 2D case would have to have a polynomial of degree like 100,
Starting point is 01:39:22 like X to the 100 plus X to the 99, da, da, da, da, da, right? And so we've been focusing on this highly complicated thing, but here, Claude Fable 5 proves that a low degree, degree 7,
Starting point is 01:39:35 it's just in a higher dimension, dimension 3, that counter example exists. It's kind of like, like a human blind spot that we didn't really consider. There's not a lot of papers about the Jacobian conjecture in degree three. Sorry, in dimension three. Yes. Yeah, which goes back to then, what is the source material for the insight? And historically, there's, there's kind of an irony. If you look at Yitang, he's a very famous number theorist. He's one of the first guys to bring
Starting point is 01:40:05 down the prime gaps to something like, I think it was like 79 million. Prime gaps meaning, you know, the twin prime conjecture where like there's an infinite number of primes that are two apart three and five 11 and 13 101 103 so we still don't know if there's an infinite number of those but he's the first guy to bring down and he said there are an infinite number of primes that are like less than 70 million and everyone was like ah right but his story is insane because like during his PhD at Purdue University he was under the advice of um suang sing mo And his work was on this very conjecture. It led to years of hardship.
Starting point is 01:40:45 He couldn't get anywhere. It's a really kind of a sad story because his dissertation relied on this auxiliary corollary corollary about the conjecture that was proved by his advisor, later discovered to be false under peer review. And so his entire PhD turns out to not be true because that's how math works. Right. And then kind of crazy, he couldn't get a, his advisor was kind of pissed off about that. He couldn't get a recommendation letter
Starting point is 01:41:13 and he was a subway worker minimum wage and he lived out of his car for a while before he proved the twin prime corollary and then became like a very famous mathematician. But like to, you know, and now we've got something like AI that maybe can save mathematicians time but at the same time it's like how much of this is AI going to do to the point where our mathematician is going to be left with a job?
Starting point is 01:41:40 Or are they going to just be explaining stuff that AI is doing? That brings me to my next point, which is about the, in 2020, this is part of a trend. In 2026, the Open AI model disproved the Erdosch planer unit distance conjecture that was that was conjectured by Erdos, Paul Erdos in 1946. This is the proof for it. It has to do with like the, it asks like the maximum number of pairs of points that can be exactly one unit. it apart in 2D. So like, trivially, you could imagine a grid of points, right?
Starting point is 01:42:17 A grid of points, all of these points are one distance apart. And you would think that that's like the best way to pack all the points, right? Erdoch showed that there's like an upper bound on how many points I can pack with this amount of distance. And the open AI model disproved that bound and showed that there's a better bound. And then later on, mathematicians took that proof and made a, short, digested, human verified version of that counter-example. Again, it's a counter-example. But here, the authors are a who's-who of mathematicians. We've got Timothy Gowers from Trinity
Starting point is 01:42:52 to College at the University of Cambridge in the UK. He's a Fields Medalist. We've also got Jacob Zimmerman, which it's been leaked, is the Fields Medalist this year. If you go on Polymarket, it's all collapsed to 99% for people. That's like, okay. Somehow I got and now no one's like betting anymore. Jacob Zimmerman, actually, I think he was my, my, he was my TA in freshman year. Oh, we love that. Yeah, we love to see it.
Starting point is 01:43:20 Because he was a PhD student of Peter Sarnak, who was teaching my, come on the show. We'd love to talk to you about it. Yeah, yeah, yeah, yeah. We'd love to talk to you about how you gave me a, never mind. Let's not talk about how you grade in my midterm. But, you know, so this is like, who's who,
Starting point is 01:43:34 and what they're doing is taking the work of Open AI and trying to make it human digestible. So is that what mathematicians are going to just end up doing? Right, right, right, being translators of the machine genius. Yeah, and a funny thing about this, right? So Open AI solved that Airdosh conjecture. Levant, our hero from this story at Anthropic, he tweeted, again in all lower caps. He's like, over the weekend I checked the obvious thing, which is whether Mythos is able to solve the Erdos unit distance problem, aka Erdos's problem,
Starting point is 01:44:08 the answer is yeah I love I think he's just trolling It's just all lowercase Gen Z Capitalization language And then his colleague is like You know huge huge credit
Starting point is 01:44:23 To the Open AI team And but he's like retweeting But he There are colleagues And he's like trying to make it a little bit more Corpo speak Yeah yeah yeah But it's just so funny
Starting point is 01:44:35 I think the guy's just scrolling This is so there's so much share. Sorry, continue though. Yeah. And the final thing I want to end with is this is clearly now becoming an existential crisis for mathematics, right? If AI is going to prove everything, what are pure mathematicians going to do? And it makes me kind of sad, if I'm not going to lie. It makes me happy that we're seeing such obvious counter examples for things and stuff that I can understand. And, you know, who knows? We'll maybe find a proof for the remand Zeta or maybe we'll find a counter example for the remand Zeta
Starting point is 01:45:07 hypothesis where it's going to just come up with a zero for the remon function that's like, I don't know, two billion on the one half real line. Who knows, right? Probably not because every mathematician that I know
Starting point is 01:45:23 says that the remand hypothesis is true. But who knows, right? At this point, it would be kind of cool to find it because that I could also check. Like, not by hand maybe, because I'd have to do it a bunch of times. but I could probably check on Wolfram. Right?
Starting point is 01:45:38 So it's concerning. It's concerning to say the least for pure mathematics. And in June 2026, there was a statement from the Laurent Center regarding AI-generated proof. It was called a Lighten Declaration on Artificial Intelligence and Mathematics. A bunch of mathematics came to get mathematicians. A bunch of mathematicians came together and they laid out their key concerns about this new shift in how we are starting to do mathematics as a discipline. There's a threat to open science, right?
Starting point is 01:46:12 Because we don't know what the model weights are. Yes. Because they're close source. Yeah, they're close source. So I don't know what's happening inside. It's not really open. I'd have to pay to play. It's unsustainable journal review backlogs,
Starting point is 01:46:29 because you can just now start making all sorts of proofs, submit it to the analysis of mathematics, and then what, like the humans are going to, and then now what we get AI reviewers? Yeah. Seems, I don't know. We don't like that. I don't know, right?
Starting point is 01:46:42 And then, and then there's like divergent incentives because you've got a commercial focus on benchmarks from all of these AI companies versus the mathematicians who want to do deep theory. What are we going to do? And they made some recommendations. One was mandatory AI disclosure. We love disclosure.
Starting point is 01:47:00 We love disclosure. Here on this podcast. Enhanced scrutiny. And there's problems. attribution for human research. Where did these AI models get the inspiration, right? We'd like to know in our workings. It's going to be tough because a lot of these LLMs are black boxes at the end of the day. Claude Anthropic is doing a great job trying to elucidate what is happening in the inner layers of their models. But at the end of the day, it is,
Starting point is 01:47:25 it is kind of a black box, right? They're also trying to go for independent funding from these industries to support mathematicians because mathematics, like, you just covered a story about how fundamental research funding is down. Well, mathematics research is also down. And I don't think it should be one of those things where, oh, AI can do it. We shouldn't have humans doing it. I mean, I think mathematics is one of the most beautiful human disciplines that we can ever take part in, right? It's something where we can say a statement is true and it will live on forever as long as human civilization is alive. If we can engrave it in stone, right? And it outlasts. human civilizations and aliens came down a la Halo and like saw the forerunners and saw
Starting point is 01:48:13 you know fromat's last theorem embedded in rock they would be like I kind of understand that right if they saw like squares and Pythagorean theorem like yeah that would be so cool yeah because they have their own versions of that yeah yeah um and so like I don't want this to be a death sentence for mathematics. It's really, I really hope that's not what's happening. I do think another kind of aspect to this that you bring up is mathematics as an understanding if we want to retain human oversight over AI systems is fundamentally necessary. Yeah. Because the way these systems are built in work requires this as a discipline that is understood very well. Yes, logic, correctness, Yes. Truth. And you cannot, we cannot say, oh, we'll have AGI and artificial general and artificial superintelligence. And again, the argument is, well, if it's super intelligent, humans can't keep up.
Starting point is 01:49:11 We need to maintain this cohort of experts for as long as possible to manage whatever this transition is going to be. Because I think we're now, I think Sir Demasas has said, we are on the shores. He has a great phrasey, for this. Oh, we are on the shores of the singularity, or we are on basically the sort of the dawn of the singularity here. And I know Ray Kurzweil is known as kind of the modern proponent for this concept. No one has ever been able to describe in words what it would feel like to be right there when the flip was about to switch.
Starting point is 01:49:54 And to me, even as a layman, you can start to feel the ground moving underneath our feet. It's not to say the killer robot outcome and sky. That's not what we're talking about. But if the raw power of machines at the edges of what human capability is here now, what does that mean? And there are so many ways in which mathematically, scientifically,
Starting point is 01:50:28 engineering-wise, socially, politically, economically, religiously, all of the ease. You know, it's someone made the joke. It's like when people say that they're,
Starting point is 01:50:41 why do I care about politics? It doesn't affect me. Oh, that must mean you're not, you know, a public employee, a veteran, a young person, an old person,
Starting point is 01:50:49 a disabled. You come from wealth. Like, it is, I know, I know that everyone is tired of hearing about AI. I know that. I get it. I totally understand it. However, if we could have stopped the bankers from doing 08 before it happened, would people say no to that? Yeah.
Starting point is 01:51:10 And it feels like a similar situation where there's a runaway train here and we need to do something. Yeah. Yeah. I don't know what the answer is. Yeah. And maybe it's not to stop the progress, because progress is always good. Right. But we got to talk about it.
Starting point is 01:51:26 And we have to engage in it. We have to have these discussions. And we got to have some kind of policy, right? It can't just be, oh, it's like too late. Right. Everyone's unemployed. And now let's try to solve it. Because right now it's not too late.
Starting point is 01:51:40 But very quickly, it might be too late. For mathematicians, for some of these industries, a lot of, as all, it's the white collar jobs. Who cares? I'm blue collar. It's not going to impact me. well, humanoid robotics are coming. So it is, this is, you know, I know I'm making this larger philosophical and sociological point.
Starting point is 01:51:57 Yeah. But the detail of what we walked through today is the canary and the coal mine, the second time I'm saying this episode, for I think a larger shift that is part of the reason we do this show, which is to make sure that the frontier of research in all of these industries does not get so far ahead of the everyday person that people, don't understand what people are doing on their behalf. Yeah. Especially with taxpayer funded money. Yeah. Yeah. This was so good, dude. Like, yeah. This was really, really good. I can't believe I can go around and be like, oh, yeah. The Jacobian, yeah. Yeah. It equals one. Yeah. It's a ratio of areas. Multi-dimensional. You should say volumes. Volumes. Because to mathematicians and area is really a 2D volume.
Starting point is 01:52:46 Oh, those mathematicians, they crack me up. We love them. This was, again, we're having a problem staying under two hours. We're approaching two hours again, this episode. One, it's because we love y'all so much. And we just, we can't stop because it's also good. We touched on astrobiology. We talked on science funding.
Starting point is 01:53:05 And we spent a long time on what may be, as we continue to see what transpires, what was the prompt. Can we get a little bit more detail about how we got here? What may be another watershed moment in the line. of deep blue alpha fold alpha go uh the original i can't remember the name the points in the grid one that opening i did not that long ago no that was this year that was yeah it's all happening this year it's happening right now we are so blessed to have you all listening if you are still listening at this point in the pod uh we need a quote a comment for our deep deep body make fun of mathematicians
Starting point is 01:53:47 I love doing it as a physicist. Just say something that's funny about mathematicians. I am your host, Lester Nare, joined as always by my co-host, our Princeton undergraduate physics, UCLA, PhD physics, occasional mathematician, Christian Chowdery. Thank you all for joining us again. We are coming up on our one-year anniversary. It's incredible that it's only been a year.
Starting point is 01:54:13 We have so many fun things planned for the future. We will see you all. next week. Rosen lasagna, medium power, 15 minutes. Sounds like Ojo time. Let's play. Feel the fun with Play Ojo.
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