English

Traces on group C*-algebras, sofic groups and L\"uck's conjecture

Operator Algebras 2015-01-26 v1 Group Theory

Abstract

We give an alternate proof of a Theorem of Elek and Szabo establishing L\"uck's determinant conjecture for sofic groups. Our proof is based on traces on group C*-algebras. We briefly discuss the relation with Atiyah's problem on the integrality of L2L^2-Betti numbers.

Keywords

Cite

@article{arxiv.1501.05753,
  title  = {Traces on group C*-algebras, sofic groups and L\"uck's conjecture},
  author = {Gül Balci and Georeges Skandalis},
  journal= {arXiv preprint arXiv:1501.05753},
  year   = {2015}
}
R2 v1 2026-06-22T08:10:49.240Z