The Chonkerton

Claude Fable 5 AI finds a tiny formula that topples an 87-year-old math conjecture

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A mathematician at Anthropic used Claude Fable 5 to discover a simple counterexample proving the Jacobian conjecture false in three dimensions and above. According to ScienceDaily, the conjecture has resisted mathematicians for more than a century, and while this finding resolves the question for higher dimensions, the two-dimensional case remains unsolved.

Source: https://www.sciencedaily.com/releases/2026/08/260804034634.htm

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