English

On sofic groups

Group Theory 2007-05-23 v1

Abstract

Answering some queries of Weiss, we prove that the free product and amenable extensions of sofic groups are sofic as well, and give an example of a finitely generated sofic group that is not residually amenable.

Keywords

Cite

@article{arxiv.math/0305352,
  title  = {On sofic groups},
  author = {G. Elek and E. Szabo},
  journal= {arXiv preprint arXiv:math/0305352},
  year   = {2007}
}

Comments

11 pages