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Thompson’s group is the orientation-preserving automorphism group of a cellular complex
Fossas, A.
Nguyen, M.

Date: 2012
Abstract: We consider a planar surface ∑ of in nite type which has Thompson's group T as asymptotic mapping class group. We construct the asymptotic pants complex C of ∑ and prove that the group T acts transitively by automorphisms on it. Finally, we establish that the automorphism group of the complex C is an extension of the Thompson group T by Z=2Z.
Rights: Tots els drets reservats
Language: Anglès
Document: article ; recerca ; publishedVersion
Subject: Mapping class groups ; Ip complex ; Infinite type surfaces ; Group actions ; Thompson's groups
Published in: Publicacions matemàtiques, Vol. 56, Núm. 2 (2012) , p. 0305-326, ISSN 0214-1493

DOI: 10.5565/PUBLMAT_56212_03

22 p, 646.2 KB

The record appears in these collections:
Articles > Published articles > Publicacions matemàtiques
Articles > Research articles

 Record created 2012-06-14, last modified 2016-06-05

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