Fixed points and stable images of endomorphisms for the free group of rank two
Group Theory
2020-09-11 v1
Abstract
We give an algorithm which computes the fixed subgroup and the stable image for any endomorphism of the free group of rank two , answering for a question posed by Stallings in 1984 and a question of Ventura.
Cite
@article{arxiv.2009.04937,
title = {Fixed points and stable images of endomorphisms for the free group of rank two},
author = {Laura Ciobanu and Alan D. Logan},
journal= {arXiv preprint arXiv:2009.04937},
year = {2020}
}
Comments
34 pages