EventScienceJuly 23, 2026

Jacobian Conjecture counterexample found using Claude Fable 5

Anthropic researcher Levent Alpöge identified a counterargument to the 80-year-old Jacobian Conjecture using Claude Fable 5, which was quickly empirically validated. Max Woolf's blog post examines how LLMs break down when told the counterargument.

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Jacobian Conjecture counterexample found using Claude Fable 5 — AIBriefs