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Levent Alpöge says Claude Fable 5 found a Jacobian conjecture counterexample, forcing new scrutiny on AI-assisted proof.

After a fair-use win in June, the court still orders $1.5 billion to settle claims over Claude training data.

A Harvard valedictorian used Claude to hit a 1939 breakthrough, but the missing “why” is the real problem.

Enterprises lose top-tier Claude access overnight, with fallback models auto-routing and an uncertain path to restoration.