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Coarse medians and Property A

Ján Špakula and Nick Wright

Algebraic & Geometric Topology 17 (2017) 2481–2498
Abstract

We prove that uniformly locally finite quasigeodesic coarse median spaces of finite rank and at most exponential growth have Property A. This offers an alternative proof of the fact that mapping class groups have Property A.

Keywords
coarse median, $CAT(0)$ cube complexes, Yu's Property A
Mathematical Subject Classification 2010
Primary: 20F65
Secondary: 30L05
References
Publication
Received: 15 July 2016
Accepted: 8 February 2017
Published: 3 August 2017
Authors
Ján Špakula
Department of Mathematical Sciences
University of Southampton
Southampton
SO17 1BJ
United Kingdom
Nick Wright
Department of Mathematical Sciences
University of Southampton
Southampton
SO17 1BJ
United Kingdom