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News
Anthropic AI Model Disproves 1939 Jacobian Conjecture
11+ hour, 36+ min ago (315+ words) Anthropic researcher Levent Alpoge announced on July 20, 2026, that he used the artificial intelligence model Claude Fable 5 to disprove the 87-year-old Jacobian conjecture, a foundational open problem in algebraic geometry originally posed in 1939 by German mathematician Ott-Heinrich Keller. Writing on X,…...