Uniformly finite homology and amenable groups

Blank, Matthias and Diana, Francesca (2015) Uniformly finite homology and amenable groups. ALGEBRAIC AND GEOMETRIC TOPOLOGY, 15 (1). pp. 467-492. ISSN 1472-2739,

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Abstract

Uniformly finite homology is a coarse invariant for metric spaces; in particular, it is a quasi-isometry invariant for finitely generated groups. In this article, we study uniformly finite homology of finitely generated amenable groups and prove that it is infinite-dimensional in many cases. The main idea is to use different transfer maps to distinguish between classes in uniformly finite homology. Furthermore we show that there are infinitely many classes in degree zero that cannot be detected by means.

Item Type: Article
Uncontrolled Keywords: BILIPSCHITZ EQUIVALENCE; MACROSCOPIC DIMENSION; ESSENTIAL MANIFOLDS; INVARIANT-MEANS; AMENABILITY;
Subjects: 500 Science > 510 Mathematics
Divisions: Mathematics > Prof. Dr. Clara Löh
Depositing User: Dr. Gernot Deinzer
Date Deposited: 31 Jul 2019 09:17
Last Modified: 31 Jul 2019 09:17
URI: https://pred.uni-regensburg.de/id/eprint/6259

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