On Closed Subsets of Free Groups
Group Theory
2017-09-20 v1
Abstract
We give two examples of a finitely generated subgroup of a free group and a subset, closed in the profinite topology of a free group, such that their product is not closed in the profinite topology of a free group.
Cite
@article{arxiv.1709.06542,
title = {On Closed Subsets of Free Groups},
author = {Rita Gitik and Eliyahu Rips},
journal= {arXiv preprint arXiv:1709.06542},
year = {2017}
}