Missed bombshell: Lech Mazur claims AI-generated, Lean-formalized proof on Collatz
stevenstrogatz · x · 2026-09-29
Amid September's flurry of AI math announcements (Anthropic's FLT formalization, OpenAI's Navier-Stokes), Alex Kontorovich highlights an overlooked one: on Sept 6, Lech Mazur claimed an AI-generated proof that a positive proportion of numbers return to 1 under Collatz — and it's Lean-formalized, with the author having reviewed the Lean proof. Steven Strogatz awaits his digestion.
Related event: AI Agent Claims New Collatz Progress, Formalized in Lean(2 posts)→
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