25 mathematicians sign open letter against AI labs on intellectual work

Twenty-five leading mathematicians signed an open letter arguing that AI labs are threatening their intellectual work, according to TechCrunch. The letter adds to escalating friction between mathematicians and AI companies over how their research and proofs are being used.

Why it matters: This broadens a dispute that had been centered on individual accusations — including a mathematician's claim that OpenAI used his work without disclosure — into an organized, collective challenge, raising the stakes for how AI labs source and credit training data drawn from academic research.