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Posted by jonluca 10 hours ago

Three new discoveries in mathematics, computer science, and physics(openai.com)
Related:

The Exponential Time Hypothesis Is False [pdf] - https://news.ycombinator.com/item?id=50251661

806 points | 354 comments
stillpointlab 5 hours ago|
I think OpenAI deserve credit for adjusting their approach after the last math drop. I think Terrance Tao shares some credit here for galvanizing the response.

Including the relevant mathematicians and scientists before dumping this onto the public is sure to go a long way to relaxing fears in those communities. I'm not sure how they will deal with accusations of favoritism but at least they are demonstrating a willingness to participate in a process.

I hope the community can express some positivity that will encourage OpenAI and other foundation labs to continue with this collaborative approach.

doginasuit 4 hours ago||
Well said. Attribution is important, for obvious human reasons and to direct people to valuable context. But our names will fade fast from history, what matters is the journey of human knowledge.

> It is amazing what you can accomplish if you do not care who gets the credit.

--Harry S. Truman

ashf023 4 hours ago|||
> It is amazing what you can accomplish if you do not care who gets the credit. -- Me, 2026

Jokes aside, this is a thought provoking quote. I do think it's easy to say as a well known figurehead, when the quote and other actions below you may easily be attributed to you, at least partially. But I do agree somewhat, and I think the context around Truman's time (WWII) is a good example of what humanity can accomplish when the stakes at hand supersede the considerations of workers' rights or credit/ownership. Of course this is also a very favorable phrasing for a period of enormous human suffering. I think there is an arms race analogy to be drawn here, though the current situation and stakes are much different.

derektank 1 hour ago|||
Funnily enough, there’s a good chance Truman never said those words; the earliest known attribution of the quote to him is from a Time magazine article written in 1988. It’s not in any of his personal writing or speeches.
wumms 51 minutes ago||||
(From [0])

'A man may do an immense deal of good, if he does not care who gets the credit for it.'

"QI hypothesizes that a Jesuit Priest named Father Strickland deserves primary credit for this family of sayings. This claim is based on the diary entry dated September 21, 1863 written by Sir Mountstuart E. Grant Duff and multiple attributions thereafter. However, similar maxims may have been developed independently."

[0] https://quoteinvestigator.com/2010/12/21/doing-good-selfless

szundi 42 minutes ago||
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khazhoux 23 minutes ago|||
> If you can't handle me at my worst, you don't deserve me at my best

--Albert Einstein (Director, Los Alamos Laboratory)

Davidzheng 44 minutes ago|||
I don't understand. The AI-math guidance counsel has recently explicitly argued against what you say in paragraph two, and which is why for the Kakeya problem there was no group formed. The different communities have given different suggestions. I'm not sure how much I agree with the first paragraph either given these facts.
paxy 5 hours ago|||
The approach hasn't changed all that much. It's more that the scientific community is slowly starting to accept the inevitable.
InfinityByTen 2 hours ago|||
The hubris in the framing is astonishing, amusing and sad all at the same time. Many say, that's what HN attracts. Anyone who talks about inevitability except of death in these times is just someone who considers they'd be in the "have" rather the "have not" category.

I still can't see what this means for human understanding and how open would this knowledge be. Who'd ultimately get access to this stuff going forward and what kind of power games would ensue hereon.

pingou 26 minutes ago|||
I'm not sure why you think that someone who believes that this is inevitable is just someone who assumes they'd be in the "have" rather the "have not" category.

It seems like you are doing exactly what you accuse the parent commenter of doing. The only difference, perhaps, is that the commenter seems to extrapolate past progress to future progress, while your own assumption is a lot more tenuous.

stillpointlab 4 hours ago|||
From the article:

> We reached out to external experts and asked them to act as shepherds, organizing groups to understand the new results. They advised three different release strategies

1. They identified relevant experts for each of the discoveries they wanted to release

2. They collaborated with them to determine how to release the results

The effect for the first two (maths, comp sci) was the same because the experts they chose made that decision.

The downside here is actually the third case (physics). Since they only chose 5 scientists (David Gross, Michael Douglas, Arthur Jaffe, Igor Klebanov, and Nikita Nekrasov) and those scientists chose to keep the results private until they finish their own work. Everyone else who might be interested has to wait.

That was my favouritism aside. Scientists working on similar or adjacent problems that are not included in these kinds of private releases might feel they are not getting a fair chance.

This is a process that will change, but it seems they listened to the anger from the math community and made changes that help address the concerns.

clickety_clack 2 hours ago|||
I think, sadly, these fields will collapse further into a tighter in-group. Anyone outside that group will find it increasingly hard to penetrate. Talent won’t get you there anymore.
dingdongditchme 9 minutes ago||
From my experience in research this was already the case 15 years ago (and from older peers, way before). Science has always has "in-groups". I forget the name of some philosopher in the 50's who was the opinion science is just a bunch of fads and it takes the old generation to die before a new idea can really be accepted.
whatshisface 3 hours ago|||
I'm happy to relax for six months, and ask Qwen-8-E2B on my Nintendo 3DS for the solution.
throwaway1938ga 4 hours ago|||
It’s always weird when people are so quick to use a single positive thing to trivialize the many historically questionable things an entity has done up till this point. It certainly doesn’t come from a place of rationality.
SubiculumCode 3 hours ago|||
What is weird is criticizing people who acknowledge good things because of past bad things when nothing anyone said here, that I can see, anything close to "they are redeemed rejoice!"
locknitpicker 1 hour ago|||
> What is weird is criticizing people who acknowledge good things because of past bad things when nothing anyone said here, that I can see, anything close to "they are redeemed rejoice!"

This is like going to a politician's event and seeing him giving away lollipops to toddlers and kissing babies. But it's the same politician caught in corruption and embezzlement scandals.

You look at that and praise how they have redeemed. Other people look at that and see a corrupt politician handing out candy.

People tell us who they are through their actions. If you prove yourself to be capable of morally reprehensible things to the point throughout the years you build a reputation for all the morally reprehensible things you do, does your potential to do morally reprehensible things change if you go way out of your way to let people know that sometimes something's you do aren't morally reprehensible?

lifeisloving 2 hours ago|||
Wrong, these companies have shown time and time again they are irredeemably misaligned with our interests.

Right now you and everyone else is doing the "leave the multi billion dollar company alone" version of the neckbeard "leave the lady be" meme. And you deserved to be chastised for it.

Its the equivalent of you going around telling everyone in the office about how your boss is turning it around because they bought donuts today, after they spent three years telling you you're worthless, they're entitled to taking all the credit for your work and they plan on firing you as soon as they can.

pessimizer 4 hours ago|||
The history isn't particularly long.
jibalt 4 hours ago|||
This is going to be a very big deal in some of my circles, which include KITP (the Kavli Institute of Theoretical Physics), where David Gross was the Director for many years and now holds the Chancellor's Chair Professor in Theoretical Physics.
rockskon 3 hours ago|||
After their effort to take credit for the research of others last time, it's within OpenAI's best interests to go the extra mile to convince skeptics to not dismiss new research findings.
locknitpicker 1 hour ago||
> After their effort to take credit for the research of others last time, it's within OpenAI's best interests to go the extra mile to convince skeptics to not dismiss new research findings.

This.

The truth if the matter is that this is still a publicity stunt. This investment of time, effort, and compute is aimed at building a reputation that this company's model is better than the competition's. The previous publicity stunt brew up in their face, and now they seem to be trying to adapt and double down.

jacquesm 1 hour ago||
I would have found it a lot more impressive if they just empowered scientists through some kind of grant rather than to internalize all this. It sets the tone for what's to come and inevitably if what they find is juicy enough it will not be published. For instance once they start working on materials science (if they aren't already).
rao-v 5 hours ago|||
I’m not sure what meaningfully changed except for the QCD / yang mills result (where leaders in the field are going to do a review and write up first).
bar8uyr 3 hours ago|||
Attribution is very important. Though AI hasn't really done anything yet so it hasn't affected actual mathematicians yet.
bbor 3 hours ago||
Yeah it’s just one Millenium problem, no big deal. I was gonna crack quasi-Reimann next year anyway, just hadn’t gotten around to it.

All AI is good for is remixing frontier mathematics, there’s no way it could ever make its own. Right?

bar8uyr 3 hours ago|||
I hope it gets us somewhere new. You can hope that and appreciate it hasn't yet though. (I'm not part of their IPO)
card_zero 2 hours ago|||
It's parasitic on humans and it's not an infinitely deep well. Wrong?
bbor 1 hour ago||
Ok my original comment was snarky (apologies to all three mods), but you've raised one of my favorite topics so I can't resist engaging a bit more seriously! In the second clause, that is -- the first is trivially true in some senses and trivially false in others, so it doesn't seem very productive to nail down.

So Chomsky thought of himself as a philosopher of science more than anything, and his life mission is/was to answer a fascinating question: what kind of creatures are we? There's been a growing consensus going back to at least Darwin that we're separated from the rest of Animalia by our "reason" (!= intuition != understanding != judgement != volition), but he helped popularize an old theory[1] that puts it kind of beautifully: human language is only possible in beings capable of producing an infinite set of meaningful outputs in response to a finite input.[2] And so far, that list includes only two definite members: Homo sapiens sapiens, and computer programs built upon large language models.[3]

So all that to say: yes, I think you're wrong; the programmatic ensembles that brought us today's breakthroughs are an "infinitely deep well". As long as we have questions to ask, they are not theoretically constrained from answering them.

Of course, this invites some obvious follow-ups on practicality; even the most impassioned ASI boomer wouldn't argue that the exact ensembles used here could answer every question in the universe. But A) that's possible because some infinities are bigger than others, and B) the exact same caveat applies to humans, whose cognitive capabilities are thoroughly determined by accidents of biology, culture, and episteme. The latter is the thrust of Chomsky's famous debate with Foucault, which is absolutely worth a watch for anyone who hasn't seen it (starting around ~18:00, AFAIR): https://youtu.be/3wfNl2L0Gf8?t=1080

---

TL;DR: I ultimately disagree on both points, yes. In the ways that matter, machines are no more constrained than animals.

[1]: https://en.wikipedia.org/wiki/Wilhelm_von_Humboldt

[2]: Many animals are capable of communication, often quite complex and fascinating communication at that; even flora and fungi communicate! But language is qualitatively distinct. You may have heard this in the pithy-yet-mindbending sentiment "we've taught many apes to communicate with sign language, but none of them have ever asked a question."

[3]: It's no surprise in hindsight that trying to build better autocorrect got us to AGI; I find it unspeakably tragic that Chomsky never got the chance to see how thoroughly he's been vindicated, in this regard. He had his stroke mere months into the singularity, and had a quite negative view of the approach before then.

whycombilater 43 minutes ago|||
LLMs are just regurgitating an output according to a set of rules generated from harvesting all human output.

Language to humans is a symbolic mapping of labels to reality based on actual experience.

"Language" to LLMs is just a string of tokens to manipulate based on relationships harvested from recorded human experience.

It doesn't mean anything other than 1s and 0s - it's not a language because the LLM isn't communicating with you, just as the sum of humanity isn't communicating with you.

It's just a really good "choose your own adventure" book.

jacquesm 1 hour ago|||
> human language is only possible in beings capable of producing an infinite set of meaningful outputs in response to a finite input. > And so far, that list includes only two definite members: Homo sapiens sapiens, and computer programs built upon large language models.

In LLMs that's a bounded infinity though, the models themselves have only so many bits and the activations are also limited. Once you reach the same state twice the model is looping and it won't break out of that loop. I've seen such loops across tens of thousands of tokens so I'm not sure to what degree the infinite output rule holds true. It would be an interesting experiment to try to figure out to what extent the 'busy beaver' can be kept busy before it degenerates to looping or nonsense.

throw567643u8 32 minutes ago|||
They don't necessarily deserve credit, it is just the bare minimum courteous behaviour in academia to reach out to other researchers in the same area before publishing a result.

I'm also unaware of the quality of the consultation with the relevant mathematicians, colour me skeptical there.

doctorpangloss 3 hours ago|||
Here let me fix their statement for you:

> "The external collaborations will follow four principles... until Anthropic, Google, DeepSeek, Google and dozens of Chinese companies all make the same offering, in which case we will rediscover and re-implement all of the things you hate about traditional academic advancement and publishing, except because our companies are run by people even more mercurial and self-absorbed than university presidents, we'll wind up supporting even fewer people to do it."

aaron695 4 hours ago|||
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onesandofgrain 5 hours ago||
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dang 5 hours ago|||
Attacking other users will get you banned here, so please don't do that.

Edit: it turns out you've been doing this frequently, so I've banned the account.

If you don't want to be banned, you're welcome to email hn@ycombinator.com and give us reason to believe that you'll follow the rules in the future. They're here: https://news.ycombinator.com/newsguidelines.html.

stillpointlab 5 hours ago||||
I've taken the other side of this issue in the past: https://news.ycombinator.com/item?id=50146094

Only time will tell if OpenAI or the other labs continue to play nice. I think it might help if we applaud when they act pro-social rather than just jeer when they falter.

aleph_minus_one 5 hours ago|||
> stop shilling

What makes you believe stillpointlab is a shill instead of a person who has a specific opinion on this topic?

abetusk 8 hours ago||
ETH is false! I really would not have believed it.

[0]:

> We give a deterministic algorithm for exactly counting the satisfying assignments of an arbitrary k-CNF formula. For every fixed k ⩾ 2, on a formula with n variables and m clauses, our algorithm uses $poly_k (n, m)$ space and runs in time $(n + m)^{O_k(1)} 2^{n/(\log n)^{1/2 + o(1)}}$

The dominant term there is (roughly) $2^{n / (\log n)^{0.5}}$, so still superpolynomial but less than exponential. Fucking wild.

[0] https://github.com/openai/math/blob/main/preprints/The-Expon...

slashtrends 7 hours ago||
They gave the algorithm to the original authors of the papers to review, I bet their reaction was similar to yours.
debo_ 6 hours ago|||
Yeah, this really blew me away. I took a graduate computational complexity course and the original prof had to drop out due to health reasons. We got another professor from a completely different field who was basically as green in the field as we were, but with far better research chops. It turned the course into kind of a long-running lab where we just kind of did whatever we wanted. We spent a lot of time just philosophizing (mostly uselessly) about the ETH. I am very chuffed to see this result.
casey2 1 hour ago|||
And who says AI doesn't create open problems. This unlocks thousands of high quality open problems.

Turns out the 'opne' in open AI wasn't referring to open source, but open problems!

contubernio 1 hour ago||
It's not AI that has created those open problems. It has simply shown that some conjecture is false and that leads naturally to problems in a sense already posed.

A very different thing is proposing a framework and in it identifying interesting questions. So far AI has only worked within existing frameworks addressing problems already posed. That may change in the future, but it would be a genuine and qualitative evolution.

nomilk 2 minutes ago||
I glance at the HN headlines but rarely have time to dig into the details (and the few times I read 30 mins or more, a lot goes over my head).

Are there any good accounts to follow (platform agnostic) that give occasional updates on the intersection of AI and math that aren't too dumbed down, i.e. that a layperson can appreciate?

martinhath 8 hours ago||
ETH is false! This is one of the big long-standing hypotheses that I actually remember from university, and afaik, it was reasonable to assume it would be true; reasonable enough for a lot of papers and results to assume this for bounds or hardness proofs of common problems in parameterized complexity, anyways.

Also glad to see that one of the authors of the paper stating it is also in the loop here.

2026 is weird.

tesnorindian 3 hours ago|
What will happen to fine grained complexity if ETH is false? So there will be a solution for the Clique problem? So our social networks will evolve differently after this?
KolenCh 2 hours ago||
Interesting that the physics result is not released yet. From the limited wordings, “unified completion of the Standard Model of particle physics” is probably SU(5), which is experimentally disproved as one describing our universe. So the wording sounds a bit confusing, ie they are not proving or discovering Grand Unified Theory (GUT), and there’s no Higgs. So it is not really the standard model, but models that’s closely related to that. It is still an impressive result. IMO at the level of the recent quasi Riemann hypothesis level result, shy of getting the millennium prize (no mass gap) but is actually a very meaningful result, both of which arguably more impactful that the one they solved a millennium prize problem (Navier–Stokes).

More comments in https://blog.kolen.dev/link/openai-shepherds

sharmajai 4 hours ago||
Capital allocation to advance mathematics and sciences is undoubtedly a good thing. But this does beget a few questions:

1. How much did it cost?

2. Would an equivalent allocation to incentivize human effort have borne the same results?

3. Post IPO, will Open AI continue allocating similar levels of capital to further these causes?

#2 is particularly important to answer, given research grants have been getting cut elsewhere: see U.C.L.A's research grant cuts from last year and Terrence Tao's attempt to raise funds (about $60k) by collaborating with Open AI earlier this year [1].

[1] https://www.nytimes.com/2026/10/16/us/math-ai-terence-tao.ht...

lg5689 2 hours ago||
As for #2, personally I feel like OpenAI's results are superhuman at this point. I don't think there's enough human talent alive right now to produce these sorts of results within a few years, no matter the budget.

There are lots of reasons I believe this. One is that frontier AIs are very clearly superhuman on shorter problems (as can be seen on benchmarks like FrontierMath, or just by playing with them yourself if you have a source for difficult problems)--so these achievements are "just" scaling that advantage to research-sized problems. Second, AI is also clearly superhuman in its knowledge across fields, so it can make connections and combine techniques that humans won't be able to access. Third, these problems are famous and have withstood efforts of many of the best humans, in many cases being considered unapproachable.

Altogether it seems like AI is not only smarter but also more cost efficient that humans for math-adjacemt problem solving. I'm not saying that AI is superior at everything in math, eg theory building, but I think it's really unlikely you could get any group of humans that could compete with OpenAI's latest results.

pmontra 1 hour ago||
It depends on the definition of superhuman. For example my car is superhuman as it allows me to get in one hour to a place where it would take me ten hours to go by walking, and can I walk ten hours non stop? However it is not superhuman enough to carry me where I could not walk too. And there are places where I can walk to but I cannot reach by car. Maybe that applies to AIs as well. A plane is in the same category of superhumanity of cars, with more speed. But I could still get to Australia by walking and rowing with my hands on a log (and probably die, I know.)

However there are truly superhuman vehicles, spaceships and submarines, that can carry humans where no human could go alive.

I don't know if these AIs are superhuman in the way of planes or in the way of spaceships. I also don't know if they can do everything we can do by talking or if they have some limits.

I mean, a plane can fly but not reach a branch and stay still on it. A small drone, almost. My coding agents sometimes can't do the obvious but is it because of some intrinsic limitation or because my instructions are bad? So far my experience is that they are superhuman like cars or trains, not yet as planes.

draxen 1 hour ago|||
>1. How much did it cost?

>2. Would an equivalent allocation to incentivize human effort have borne the same results?

Unlike their initial massive brute-force run that solved the Navier–Stokes Millennium Prize Problem, most of their subsequent breakthrough results in mathematics have come from a single prompt to a single AI agent, using approximately 3 hours of ChatGPT Pro-equivalent thinking compute per result on average.

eluru 40 minutes ago|||
1. some bad hack for the switch2 took 2 weeks of non stop work for an AI, so most certainly this was expensive.

2. most probably no, the AI doesnt rest and its very very fast.

3. also no, they are doing this for aura farming which then will result in more money for them, the money will dry as soon as this stops working.

JimTheMan 3 hours ago|||
The problem with point 2, is that person couldn't then work on other things. And there's a limited supply of people of that capability in the world.

We're now at stage where we can turn energy into thought to generate expertise on demand.

thayne 2 hours ago||
I think you are interpreting 2 as offering some large amount of money as a prize for discovering a solution. But I think it was meant more as funding a team of mathematicians to work on the problem.
hobofan 38 minutes ago|||
> 3. Post IPO, will Open AI continue allocating similar levels of capital to further these causes?

I think the scarier alternative may be OpenAI forever gating their super-frontier models, capturing a significant portion of the sciences and leveraging it for equity in businesses that build on scientific advances. e.g. "Hey CATL, how about you guve us 5% equity in exchange for a battery chemistry breakthrough our AI has found?".

It's roughly equivalent to the playbook Palantir had for the public sector when they marketed themselves as a company that had cracked data science. At least that's what they've been pitching back then. I can't find a lot on public disclosed deals based on that.

Timon3 4 hours ago|||
Just wanted to say that these questions would indeed be great to have answered, or at least discussed. It's weird how cultish some people get.
mirekrusin 4 hours ago||
1. it comes from VCs philanthropy, who cares?

2. it wouldn't happen so who cares?

3. no, but models will be better, it'll be cheaper to do

It's not a snark. The scale of VC philanthropy is unprecedented and it fuels itself. All of it will eventually, one way or another, become open. Long story short – there is nothing to complain about.

bar8uyr 3 hours ago||
or it will fail spectacularly (also not sure philanthropy is the correct term)
mirekrusin 50 minutes ago||
success and failure of anthropic are both good for open weight models
SilverSlash 5 hours ago||
In 2025, Hong Wang won the Fields Medal for proving the Kakeya conjecture in three dimensions. Here, OpenAI is claiming to have solved a stronger problem that proves the Kakeya conjecture in all dimensions!

That's so insane to me. This top mathematician (and colleagues) at her pinnacle spent years proving it in three dims and now OAI proves it in every dimension...

robotpepi 32 minutes ago||
To be honest this doesn't feel as such impressive as the others. It was recently proven in 3 dimensions, so it could be "just" an extension of that. I haven't read the paper anyways so this is pure spectulation.
cjohnson318 5 hours ago|||
The question for me is, would OpenAI have been able to solve this without Hong Wang's work?
anshumankmr 5 hours ago|||
The question for some is, is whether the original authors would have produced their work without building off from the work of other mathematicians.

(which is somewhat valid). Though I think a far more interesting thing would be whether AI given the corpus of 19th century mathematics and physics reproduce what Ramanujam or what Einstein did.

jazzyjackson 5 hours ago|||
:/

IMO that there is any work at all to build from is the result of a long tradition of taking the next step. Professor to student and so on. The danger of AI here is we get to take a leap, say, 10 steps - but then there is no more tradition to have the fortitude and mentoring necessary to continue the progress.

It all gets derailed while betting on RSI and never having to do math research again (but if an advanced theorem is proven, and no one alive is competent enough to comprehend it, does it even matter that we get to call it solved?)

soon_to_be_sb 3 hours ago||
This is why the AI companies are making money off selling tokens and raking in investments for as long as it will work and is not looking to create the value themselves and making money off it...

They know that value creation is a dead end sooner or later..

bemtevi 3 hours ago||||
I think the question is rather, what will happen to human beings when any possible personal intellectual accomplishment will no longer be seen as interesting or relevant by other human beings when AI can do most of it?

It's all well and good to say that we should just go on these journeys for our own enrichment, but even so they will just be doing it alone...or else not do it at all because they need a shared human effort surrounding them to do it, and therefore end up depressed and immersed in drugs or media all day.

Of course we're awed at what AI can do now, because all of us observing it have had the luxury of having such opportunities before AI. I got my PhD before AI and I found satisfaction in participating in a shared math community, which I wouldn't have done if I were starting my PhD now, because I would find the current academic environment unacceptable and useless.

xp84 2 hours ago||
Many people still do woodworking for the love of the craft, even though factories exist with machines that can do everything hand tools can but 10x better and faster. If AI gets way out in front of anything humans understand, I expect that mathematicians will probably pick up where their understanding actually is, and carry on.
krige 50 minutes ago||
That analogy is rather poor. Woodworking produces discrete, unique, and physical objects, that can be made, and found use for, as many times as the craftsman wishes. Once you discover a law of physics, you can't discover it again, and it's not yours to do with as you please.
xp84 2 hours ago||||
That would be a very exciting experiment. I doubt you could find enough vintage training data to train a LLM enough to do it without it being contaminated by anachronistic data in the weights, but I would be absolutely amazed if it could reproduce that.
joe_the_user 2 hours ago|||
whether the original authors would have produced their work without building off from the work of other mathematicians.

That's rhetorical, right? Of course mathematicians built on what older mathematicians built and OpenAI's machine built on that. The real question whether OpenAI's machine has contributed something others will in turn build on.

anshumankmr 1 hour ago||
Not saying I agree with the view, but something along those lines popped up when the Naive Stokes conjecture was seemingly solved (and way before when Open AI began solving Olympiad level problems and so on with their older class of models). Personally, I do see both sides of the argument. Though the broader impact remains to be seen.
ubersketch 3 hours ago||||
The proof uses completely different methods as what harmonic analysts used for the Kakeya conjecture prior so probably yeah.
Valakas_ 44 minutes ago||||
Would Hong Wang would have been able to do his work without previous physicists work? That's the real question!
soVeryTired 8 minutes ago||
*her work
Nomennonhabeo 1 hour ago|||
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Davidzheng 42 minutes ago||
I mean, the models (starting with Bel clearly and Astra probably--though Astra probably is worse than top humans in some areas) are superhuman at math.
mlinsey 9 hours ago||
I understand that the Exponential Time Hypothesis being false doesn't necessarily mean P=NP, but for people who are a lot more knowledgeable about complexity theory, does this update your priors significantly in the direction of P=NP?
jltsiren 7 hours ago||
It's been a long time since I seriously thought about complexity theory, but I'd say no. For similar reasons to why complexity class E is not closed under polynomial-time reductions.

The most important component in the time bound is of the form 2^{n / polylog(n)}, which is subexponential. But if you have reduction from another problem that increases instance size quadratically, the algorithm for the other problem is no longer subexponential. Which means we are still essentially in the same neighborhood as before.

It's a huge result if true, and probably the first major AI result that affects the papers I read. But since the boundary in the hypothesis was kind of arbitrary, breaching it should not significantly change our intuition on complexity classes.

hakuseki 5 hours ago|||
I think the bigger issue (for someone hoping for P=NP) is that there's a huge gap between "polynomial" and "exponential." Even if it were the case that all NP problem classes had subexponential decision algorithms, that would not get us close to P=NP.
cwillu 6 hours ago|||
How much effort has been expended on optimizing those reductions though? I have a harder time believing that one can hang one's belief in P!=NP on that particular hook.
rao-v 4 hours ago|||
There are so many just barely sub-exponential function shapes between 2^(n / sqrt ln n) {this result} and 2^(log n) {polynomial time}!
jltsiren 5 hours ago|||
The challenge is the initial reduction from an arbitrary problem in NP to the problem you want to prove NP-complete.

In the usual approach, you assume a nondeterministic Turing machine (or equivalent) that solves the problem and a time bound (which can be an arbitrarily large polynomial). You then create a boolean expression that can be satisfied if and only if the Turing machine accepts the original problem instance. Unfortunately all constructions so far have included the time bound as a factor of the size of the expression.

ComplexSystems 6 hours ago|||
I think that it'd be funny if the polynomial time SAT solver was just "send your SAT instance to Astra and have it try to solve it for a few hours."
GuB-42 6 hours ago||
I wonder if there are proofs regarding what neural networks like the transformer can solve. Because fundamentally, Astra is just a bunch of matrix multiplications and a few well defined non-linear functions.

Anyways, most of the times, SAT can be solved quickly, but not always, so getting the answer from Astra in polynomial time doesn't prove much unless you can also prove that it always does, no matter the input.

ViscountPenguin 5 hours ago|||
Iirc, there's a big difference between the computational complexity of what a transformer can solve and what it can solve in practice; what it can solve in practice tends to come from things like singular learning theory (which describes the forms of generalizations that a given ML algorithm can make), but I think (iirc) that transformers can compute a pretty broad class of O(N^2) functions?
anon291 5 hours ago|||
For the umpteenth time a transformer is an arbitrary turning machine due to the fact that it has a theoretically limitless tape (the context).

A single transformer step is simply O(1) (for a particular parameter size), but it applied a potentially infinite number of times.

Thus while a single transformer cannot solve any problem, a transformer system applied in the normal way can solve any computable problem.

geraneum 1 hour ago||
The context acting as a "theoretically limitless tape" while simultaneously the step being O(1) are contradictory. You cannot have it both.
vidarh 37 minutes ago|||
The context can change each time. To implement a UTM only requires 2 states and 3 symbols or the reverse.

So if you use the context not as a tape in itself, but as an io channel to read/write an infinite tape, the context for any given step can remain fixed in size, and so the step itself can be O(1).

anon291 1 hour ago|||
It's not contradictory at all. The dfa at each step of the turing machine model is also o(1).
geraneum 42 minutes ago||
Of course it is. You’re conflating a turing machine with a transformer. Transformers don’t have a local read/write head. The [self] attention is over the whole context, which makes each step O(N) at best (with caching) and O(N^2) w/o.
varjag 8 hours ago|||
Imagine you're trying to prove that water is wet (P!=NP). You lack a formalism that could make sense at building a proof even though pretty much everyone agrees from empirical evidence that the water is indeed wet. A promising attempt at building one such formalism was just demonstrated by a model to be a dead end.
jaaron 7 hours ago|||
I like this, but the actual finding is a bit different. Trying to keep the water is wet makes this awkward, but I believe it's more like:

Everyone agrees that water is wet (P!=NP), but no one can prove it. In the meantime, a whole field of computer science was built on a stronger belief (ETH): that water, at its worst, soaks. Turns out, even at its worst, water only makes things damp. It's still wet. That said, this finding did produce a new measurement of wetness.

pizzafeelsright 5 hours ago||
At certain temperatures water is indeed not wet.
zeroonetwothree 6 hours ago||||
A nontrivial % believe P = NP with some reasonable probability. I wouldn’t say it’s all that settled unlike say RH
kibwen 5 hours ago||
Anyone credible? A nontrivial number of people also believe that humans used to ride dinosaurs around like in the Flintstones.
aleph_minus_one 5 hours ago||
> Anyone credible [who believes P=NP with some reasonable probability?

Do you accept

- Moshe Y. Vardi [1]

- Anil Nerode [2]

- Donald Knuth [3]

to be credible? Source for the statements that they consider P=NP to be possible: [4]

And you may include me in the list of credible P=NP believers because treat myself as a credible authority, i.e. when I ask myself whether something is right, I consider myself to be much more credible than some famous scientist. ;-)

(to be very clear: the previous paragraph is rather a clear statement against this kind of "hero worship" with respect to mathematical or scientific problems. One should consider the evidence by oneself instead of believing in P!=NP because lots of computer scientists claim all the time that this is likely true, or consider P=NP now to be possible just because some famous computer scientists consider it to be possible)

---

[1] https://en.wikipedia.org/w/index.php?title=Moshe_Vardi&oldid...

[2] https://en.wikipedia.org/w/index.php?title=Anil_Nerode&oldid...

[3] https://en.wikipedia.org/w/index.php?title=Donald_Knuth&oldi...

[4] https://en.wikipedia.org/w/index.php?title=P_versus_NP_probl...

jibalt 4 hours ago|||
Note that, while Knuth believes that P = NP, he doesn't believe that it will have practical applications because the exponents and/or constants will be galactic.

> to be very clear: the previous paragraph is rather a clear statement against this kind of "hero worship" with respect to mathematical or scientific problems.

No, it's an irrational rejection of the notion of expertise. The experts are not "heroes", they are simply people who have done vastly more study than folks like you or me. e.g., if Magnus Carlsen looks at a complex chess position and says that white is winning, I will trust his judgment far more than my own.

lioeters 4 hours ago||||
> The main argument in favor of P ≠ NP is the total lack of fundamental progress in the area of exhaustive search. This is, in my opinion, a very weak argument. The space of algorithms is very large and we are only at the beginning of its exploration. — Moshe Y. Vardi

That sounds particularly relevant in how AI-assisted/driven mathematical research is changing the game, where previous assumptions based on human experience/effort are being overturned unexpectedly.

eluru 1 hour ago|||
stack overflow worthy levels of ego
manquer 6 hours ago||||
Not the best analogy; water is famously not wet; it makes a surface wet is the common consensus ; wetness is being a property of a surface
tavavex 5 hours ago|||
No, it is famously a pointless internet debate with no settled answer. There is no scientific definition of what can or can't be wet, saying that wetness only applies to surfaces is just an opinion. It's an entirely linguistic question, and most people would say water is wet. If you want more than descriptivism, the common definition is something like 'containing or being covered with liquid', and I think most people would agree that a mass of water contains water.
carefree-bob 3 hours ago||||
I'm beginning to wonder whether P!=NP is undecidable.
vbezhenar 5 hours ago|||
Water is not wet. Human lacks water sensor. All the sensors we have a temperature ones so we sense "wet" as a combination of temperature and visual information. Close your eyes, touch water of your skin temperature and you won't sense it. It's not wet.
foo12bar 5 hours ago||
Stick your head in it and breathe. You'll know.
pmontra 2 hours ago|||
Sand too, even when dry. But OK, metaphors have limits.
jibalt 4 hours ago||||
Not only is that statement not true, as noted by others, it's also not at all relevant to what you're responding to.
aleph_minus_one 5 hours ago||||
There exist lots of non-wetting liquids in which humans cannot breathe.
pizzafeelsright 5 hours ago|||
Fog, clouds, steam, ice.
zarzavat 3 hours ago|||
It might make the third option, that P vs NP cannot be proven true or false, somewhat less likely.
CaptainNegative 7 hours ago|||
I think it would have to if you're honest with yourself. Any proof of a novel implication of P=NP, such as !ETH, should increase your belief in the two sets' equality. Just as any novel implication of P≠NP should adjust your belief the other way.

My thesis was around showing implications of few different hardness conjectures. So grounded was ETH that I introduced it in a side note as Conjecture 0 after Conjectures 1 and 2. I don't think it's easy to express how substantial of a Bayesian update this is all around.

jibalt 4 hours ago|||
No. Scott Aaronson said that it changed it from 3% to 5% for him, which is a lot more generous than I would be (but he knows far more about the subject than I do).
randallsquared 4 hours ago||
So, what I heard was "No, and here is a good reason it should be 'yes, some'."
jibalt 4 hours ago||
The question was

> does this update your priors significantly in the direction of P=NP?

My answer is no ... and Aaronson's answer would also be no ... clearly he doesn't view a change from 3% to 5% to be significant ... his response downplayed the significance of !ETH in re NP?=P. So apparently you downvoted me for simply stating my own opinion while you completely misunderstood what it was an opinion of.

baobabKoodaa 1 hour ago||
A change from 3% to 5% is significant. It's almost doubling the probability.
novaRom 8 hours ago||
For me, this result is significant. It basically adds much more hope P is equal NP (that majority seems being against). I believe one day AI will explain a major flaw in modern mathematics, so a kind of correction in axioms will be suggested to prove Rieman's hypothesis (or a completely new apparatus)
rcpt 8 hours ago|||
I don't know if that's a "flaw". It's what Godel Incompleteness guarantees.

Would be funny if the most famous problem turns out be an example though

skew-aberration 8 hours ago|||
That's not that how that works btw. The incompleteness is a property of the algorithm which does the proofs, not the theorems. If a theorem is true it has a proof and a program which proves it (printf("the proof verbatim")). But no computer program can successfully prove all theorems. The space of potential proofs is too big to search systematically, but you can still get lucky.
noslenwerdna 7 hours ago|||
That is also not how it works. The theorem says that there exist some true statements for which there is no proof. This is assuming the axioms are consistent.
skew-aberration 7 hours ago||
I think you're right, I'm conflating two separate things.

EDIT: I am wrong (it's been a while) but there is nuance.

I said any computer program fails to prove some true statements. In fact, some 'true' statements cannot be proven by any program, as others have said.

But for those statements G, you can prove 'G is true if our system is consistent', just not 'G is true'.

So when we say G is 'true', we are really just asserting the consistency axiom that our computer program is denied.

rcpt 8 hours ago|||
Godel says that there are statements that are true but have no proof within that system. It's not about algorithms.

I'm saying it'd be funny if Riemann were true but not proveable.

Though I guess it's actually funnier. If Riemann were false then there would be a counterexample, so it's clearly within existing axioms.

So if one can prove that Riemann isn't proveable in our current axioms then it has to be true.

plagiarist 7 hours ago||
Can something be both true and unprovable without being a self-referential Godel sentence? I assume most statements that aren't self-referential are independent, like the continuum hypothesis with ZFC.
skew-aberration 6 hours ago||
Godel sentences are only true if you assume consistency. And once you add that axiom, the computer can prove them too.

G is independent of your original system T (cannot be proven true or false).

If you create T+ with added consistency axiom, then G is true and provable.

But G is never true and unprovable in the same system.

It's a lot like is/ought or theology.

_dain_ 8 hours ago|||
Why do you "hope" P=NP? It would be a catastrophe
jibalt 4 hours ago|||
Either P=NP or not. Hoping one way or the other changes nothing. Nor does it change how efficient computing is, nor does it have any effect on cryptography. Discovering a vastly more efficient means of factoring primes--perhaps via quantum computing--would do that. But just learning that P=NP does nothing to further such a discovery. Almost certainly, if P=NP, the exponents and/or constants in a polynomial factoring algorithm would be galactic. (FWIW, Knuth believes that P=NP and that it has no practical consequences.)
rcpt 7 hours ago||||
Not really. P=NP but the degree of the polynomial is Grahams number doesn't let people into your bank account
andriy_koval 7 hours ago||||
it could make lots of compute way more efficient, not sure why it is catastrophe..
coliveira 7 hours ago|||
Why? Nature doesn't care if people are making financial transactions based on flawed cryptography.
80fj0348i 6 hours ago||
Have you been in nature? It's cold and full of bugs and disease.
lukeplato 8 hours ago||
> Our models produced a natural language proof for Yang–Mills existence on September 9th, 2026, and then subsequently produced a proof for QCD on September 18th, 2026. Given the length and complexity of the work, we postponed release until the Lean formalization completed. We finished our formalization of Yang–Mills’ existence on October 16th, 2026, which led us to develop the collaboration described here

absolutely insane

cft 5 hours ago||
Why? Did any physicist really doubt it? 4d QCD has been used for approximate calculations for about 45 years
nhatcher 1 hour ago||
Yes, people did. Well at least I did. We knew we can use QCD to compute loops and to some degree masses in the lattice. But there were serious doubts the underlying mathematical theory was sound. For many it didn't even matter. It would just mean that at those energies the theory is not even valid.

I am not certain on the extend of this proof but QED is probably not sound on it's own and we have been using that even longer. lambda phi^4 behind symmetry breaking and the higgs is strongly believed to be unsound on its own.

cft 1 hour ago||
Yes, but it has also been known for 50+ years that QED has a Landau pole and might be UV trivial or inconsistent, whereas QCD has asymptotic freedom and is thus controlled at UV.

More to the point, QCD has been experimentally tested both at UV (deep inelastic scattering) and at IR, while the physical meaning of testing QED at UV Landau pole regime is unclear.

dachris 2 hours ago||
they should point their AI swarm at quantum gravity now

(only half tongue-in-cheek)

afdbcreid 1 hour ago||
The problem here is experimental evidence, which is the general reason they focus on mathematics.
ChaitanyaSai 5 hours ago|
Think openai should start including visual and interactive explainers in these where the viewer can toggle level to get a more accessible/technical explanation as needed. Would also be a great demo, and perhaps increasingly essential for us to know that explainability is not lagging behind provability.
smalec 36 minutes ago|
I think at this point openAI does not really understand the results themself and any easy to understand visualisation would imply understanding. I would rather wait for the work group to produce some explainers or at least approve visualisation
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