A weight-free characterisation of Yu's Property A
Metric Geometry
2024-12-24 v1
Abstract
In this short note, we give a complete answer to the question of when the generalised F\o lner sets exhibiting property A can be chosen to be subsets of the space itself. More precisely, we prove that this holds for any discrete metric space of bounded geometry.
Cite
@article{arxiv.2412.16549,
title = {A weight-free characterisation of Yu's Property A},
author = {Jiawen Zhang and Jingming Zhu},
journal= {arXiv preprint arXiv:2412.16549},
year = {2024}
}