A non-Hopfian almost convex group
Group Theory
2012-05-16 v1
Abstract
In this article we prove that an "isometric multiple HNN-extension" of a group satisfying the falsification by fellow traveler property is almost convex. As a corollary, Wise's example of a CAT(0) non-Hopfian group is Almost convex.
Cite
@article{arxiv.math/0611874,
title = {A non-Hopfian almost convex group},
author = {Murray J Elder},
journal= {arXiv preprint arXiv:math/0611874},
year = {2012}
}
Comments
Appeared in 2004. I am putting all my past papers on arxiv