Conservative Subgroup Separability For Surfaces With Boundary
Geometric Topology
2014-10-01 v1
Abstract
If F is a surface with boundary, then a finitely generated subgroup without peripheral elements of G = {\pi}_1(F) can be separated from finitely many other elements of G by a finite index subgroup of G corresponding to a finite cover F' with the same number of boundary components as F .
Cite
@article{arxiv.1204.4636,
title = {Conservative Subgroup Separability For Surfaces With Boundary},
author = {Mark D. Baker and Daryl Cooper},
journal= {arXiv preprint arXiv:1204.4636},
year = {2014}
}