English

A family of exotic group C*-algebras

Group Theory 2023-05-04 v1 Operator Algebras

Abstract

We show that a large family of groups without non-abelian free subgroups satisfy the following strengthening of non-amenability: they each have a rich supply of irreducible representations defining exotic C*-algebras. The construction is explicit.

Keywords

Cite

@article{arxiv.2305.01990,
  title  = {A family of exotic group C*-algebras},
  author = {Maria Gerasimova and Nicolas Monod},
  journal= {arXiv preprint arXiv:2305.01990},
  year   = {2023}
}