Separable Subsets of GFERF Negatively Curved Groups
Group Theory
2007-05-23 v2
Abstract
A word hyperbolic group is called GFERF if every quasiconvex subgroup coincides with the intersection of finite index subgroups containing it. We show that in any such group, the product of finitely many quasiconvex subgroups is closed in the profinite topology on .
Cite
@article{arxiv.math/0502101,
title = {Separable Subsets of GFERF Negatively Curved Groups},
author = {Ashot Minasyan},
journal= {arXiv preprint arXiv:math/0502101},
year = {2007}
}
Comments
10 pages. Final version: several minor typos were corrected and a few things added in the introduction