Two mathematicians have made groundbreaking progress on the Navier-Stokes problem—one of six remaining Millennium Problems—with substantial AI assistance from Anthropic. The breakthrough could reshape mathematical research, though controversy has emerged over OpenAI's alleged involvement after learning of their methods.

AI in Mathematics Achieves Historic Milestone

Tristan Buckmaster at New York University and Levent Alpöge at Harvard University have announced groundbreaking results on the Navier-Stokes problem, one of the six remaining Millennium Problems that carries a $1 million prize from the Clay Mathematics Institute

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. Working with AI company Anthropic, the pair achieved what Buckmaster calls a "Deep Blue-Kasparov moment" for mathematical research, fundamentally changing how mathematics will be conducted going forward

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Source: Scientific American

Source: Scientific American

Understanding the Navier-Stokes Problem

The Navier-Stokes equations have modeled fluid motion for two centuries, used in designing aircraft wings, modeling blood flow through arteries, and building space rockets

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. The core question is whether these equations perfectly describe reality in every situation or if they admit mathematical anomalies that could never occur in actual fluids. David Silvester at the University of Manchester explains the challenge: "It's a really hard problem because when it was stated it wasn't clear whether the result was true: that is that there are smooth solutions and it stays forever stable, or in fact there is some blow up"

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Source: New Scientist

Source: New Scientist

Major Breakthrough Made on Famous Millennium Maths Problem

Buckmaster and Alpöge claim three results in documents uploaded to Buckmaster's website, two published with Lean formalization—a process converting mathematical theories into computer code for rigorous verification

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. The findings relate to close cousins of Navier-Stokes: the Boussinesq approximation and the Euler equations. Progress accelerated dramatically on August 15 when they used the forcing method to prove that the Euler equations—the frictionless cousins of Navier-Stokes—do blow up

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Fluid Dynamics Modeling Advances Through AI Assistance

The researchers built upon previous work by Diego Córdoba and Luis Martínez-Zoroa, who developed the forcing method focusing on an often-overlooked term in the equations

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. Using large language models from Anthropic and OpenAI, they describe achieving results with a "great deal of help from LLMs"

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. Terence Tao at the University of California, Los Angeles, believes the work brings us very close to a full Navier-Stokes solution, stating: "There does not seem to be anything in principle preventing the methods from extending all the way to Navier-Stokes. At this point, I would not be surprised if one could batter out such an extension by pouring an enormous amount of compute and AI assistance at such a task"

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Controversy Emerges Over OpenAI's Involvement

Buckmaster alleges that after rumors of their work reached OpenAI, the company used their internal model to extend the results to the full Navier-Stokes equations over a single weekend

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. According to Buckmaster's statement, a prompt "had been sent in the past few days, after information about our work had reached OpenAI"

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. Buckmaster claims he spoke with Sébastien Bubeck, who leads OpenAI's math team, in a call that became contentious, with OpenAI offering him sole authorship for the Navier-Stokes result

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Implications for Mathematical Research and Practice

Silvester suggests the current work alone may be enough for Buckmaster and Alpöge to claim the Millennium Prize

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. Camilla Nobili at the University of Surrey notes the key question is whether similar examples can be found in Navier-Stokes, which adds friction and dissipation to the Euler equations—elements that naturally smooth out simulations

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. Despite the fame of the Navier-Stokes problem, practical effects may be limited, as computer models on fluid dynamics are already sophisticated enough to have largely rendered wind tunnels obsolete

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. However, Buckmaster emphasizes that AI is rapidly becoming a powerful amplifier of human mathematical effort, leading to faster progress and requiring the community to have "serious and unhurried discussion about where to go from here"

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