Group actions with commensurated subsets, wallings and cubings
Group Theory
2016-08-16 v2 Geometric Topology
Abstract
We study commensurating actions of groups and the associated properties FW and PW, in connection with wallings, median graphs, CAT(0) cubings and multi-ended Schreier graphs.
Keywords
Cite
@article{arxiv.1302.5982,
title = {Group actions with commensurated subsets, wallings and cubings},
author = {Yves Cornulier},
journal= {arXiv preprint arXiv:1302.5982},
year = {2016}
}
Comments
78 pages, no figure. Preliminary version, comments welcome! v1->v2 extended version: the new Section 7 was partly extracted from Section 3; some subsections are new (notably 4H and from 7B to 7F)