On sofic approximations of $\mathbb F_2\times\mathbb F_2$
Group Theory
2020-08-11 v2 Operator Algebras
Abstract
We construct a sofic approximation of that is not essentially a "branched cover" of a sofic approximation by homomorphisms. This answers a question of L. Bowen.
Cite
@article{arxiv.2008.00554,
title = {On sofic approximations of $\mathbb F_2\times\mathbb F_2$},
author = {Adrian Ioana},
journal= {arXiv preprint arXiv:2008.00554},
year = {2020}
}