Aut-Invariant Word Norm on Right-Angled Artin and Right-Angled Coxeter Groups

Marcinkowski, Michal (2020) Aut-Invariant Word Norm on Right-Angled Artin and Right-Angled Coxeter Groups. MICHIGAN MATHEMATICAL JOURNAL, 69 (2). pp. 285-295. ISSN 0026-2285,

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Abstract

We prove that the Aut-invariant word norm on right-angled Artin and right-angled Coxeter groups is unbounded (except in few special cases). To prove unboundedness, we exhibit certain characteristic subgroups. This allows us to find unbounded quasi-morphisms which are Lipschitz with respect to the Aut-invariant word norm.

Item Type: Article
Uncontrolled Keywords: ;
Subjects: 500 Science > 510 Mathematics
Divisions: Mathematics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 06 Apr 2021 11:24
Last Modified: 06 Apr 2021 11:24
URI: https://pred.uni-regensburg.de/id/eprint/45456

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