AnalysisAI ModelsJuly 23, 2026
LLMs break down when presented with Jacobian Conjecture counterargument

Anthropic researcher Levent Alpöge used Claude Fable 5 to identify a counterargument to the 80-year-old Jacobian Conjecture. Presenting this result to LLMs causes them to exhibit paradoxical behavior due to a conflict between their training data and the new proof.
Featured · Levent Alpöge
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