{"id":"openai-math/The-l1-Bass-Conjecture-for-Discrete-Groups","pdf":"https://github.com/openai/math/blob/main/preprints/The-l1-Bass-Conjecture-for-Discrete-Groups-October-5-2026/l1-bass-conjecture.pdf","url":"https://github.com/openai/math/tree/main/preprints/The-l1-Bass-Conjecture-for-Discrete-Groups-October-5-2026","tags":["group-algebras","k-theory","functional-analysis","discrete-groups"],"score":0,"title":"The ℓ¹-Bass Conjecture for Discrete Groups","domain":"Algebra","family":"207","origin":"ai-generated","source":"openai-math","authors":["OpenAI"],"reviews":0,"subject":"math.RA","summary":"We prove the ℓ 1 -Bass conjecture for every discrete group. The Hattori–Stallings trace of every idempotent matrix over the complex ℓ 1 group algebra is supported on finitely many conjugacy classes of finite-order elements.","category":"research","comments":0,"disputed":false,"division":"math","mentions":0,"discussed":0,"published":"2026-10-05","reactions":{},"formalized":false,"family_title":"The ℓ¹-Bass conjecture for all discrete groups"}