{"schema":"postcutoff/person@1","as_of":"2026-11-09T21:13:00+01:00","url":"https://postcutoff.com/person/thomas-lam/","md":"https://postcutoff.com/person/thomas-lam/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"thomas-lam","name":"Thomas Lam","aliases":[],"kind":"researcher","role":"Mathematician / computer scientist","orgs":[],"role_as_of":"2026-11-04","role_source":"https://arxiv.org/","importance":2,"why":"Algebraic combinatorialist; co-author of the ChatGPT-found counterexample to the amplituhedron magic number conjecture (arXiv 2611.05216).","accounts":{"x":"","x_other":[],"website":"","wikipedia":"","scholar":"","github":"","youtube":"","bluesky":"","substack":""},"roles":[],"bio":"","verified":"2026-11-04","same_as":[],"counts":{"entries":1,"posts":0,"videos":0},"entries":[{"id":"2026-11-04-amplituhedron-magic-number-conjecture-counterexample-chatgpt","url":"https://postcutoff.com/e/2026-11-04-amplituhedron-magic-number-conjecture-counterexample-chatgpt/","date":"2026-11-04","date_precision":"day","short_title":"Amplituhedron magic number conjecture: counterexample found by ChatGPT","deck":null,"takeaway":"A senior algebraic combinatorialist (Lam) reports an AI-found counterexample to a conjecture in a field linked to physics.","category":"science","category_label":"Science & math","importance":3,"confidence":"medium","status":{"key":"pending","labels":["Awaiting review"]},"sources":1,"official":1,"filed":"2026-11-04","updated":"2026-11-04","orgs":["OpenAI","University of Michigan"]}],"posts":[],"videos":[]}