Amenable covers of right-angled Artin groups

Li, Kevin (2023) Amenable covers of right-angled Artin groups. BULLETIN OF THE LONDON MATHEMATICAL SOCIETY, 55 (2). pp. 978-989. ISSN 0024-6093, 1469-2120

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Abstract

Let AL$A_L$ be the right-angled Artin group associated with a finite flag complex L$L$. We show that the amenable category of AL$A_L$ equals the virtual cohomological dimension of the right-angled Coxeter group WL$W_L$. In particular, right-angled Artin groups satisfy a question of Capovilla-Loh-Moraschini proposing an inequality between the amenable category and Farber's topological complexity.

Item Type: Article
Uncontrolled Keywords: CATEGORY; VOLUME; COHOMOLOGY
Subjects: 500 Science > 510 Mathematics
Divisions: Mathematics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 20 Feb 2024 10:42
Last Modified: 20 Feb 2024 10:42
URI: https://pred.uni-regensburg.de/id/eprint/56889

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