Hyperfiniteness of boundary actions of hyperbolic groups
Group Theory
2020-06-09 v2 Logic
Abstract
We prove that for every finitely generated hyperbolic group , the action of on its Gromov boundary induces a hyperfinite equivalence relation.
Keywords
Cite
@article{arxiv.1907.09928,
title = {Hyperfiniteness of boundary actions of hyperbolic groups},
author = {Timothée Marquis and Marcin Sabok},
journal= {arXiv preprint arXiv:1907.09928},
year = {2020}
}
Comments
22 pages. Final version. To appear in Mathematische Annalen