Bushy pseudocharacters and group actions on quasi-trees
Group Theory
2015-03-19 v1
Abstract
Given a group acting on a graph quasi-isometric to a tree, we give sufficent conditions for a pseudocharacter to be bushy. We relate this with the conditions studied by M. Bestvina and K. Fujiwara on their work on bounded cohomology and obtain some results on the space of pseudocharacters.
Keywords
Cite
@article{arxiv.1104.0790,
title = {Bushy pseudocharacters and group actions on quasi-trees},
author = {Álvaro Martínez-Pérez},
journal= {arXiv preprint arXiv:1104.0790},
year = {2015}
}
Comments
13 pages, 3 figures