Levent Alpöge, a number theorist at Anthropic, announced on X that he had found a counterexample to one of algebraic geometry's most notorious problems, crediting Fable as his collaborator.
During the World Cup final on Sunday night, mathematician Levent Alpöge posted a casually worded message on X that, if it holds up, settles one of the longest-standing questions in algebraic geometry. The Jacobian conjecture, first stated for two var... [3947 chars]