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Centralizers in Ã2 groups

Lookup NU author(s): Professor Guyan Robertson

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Abstract

Let $\Gamma$ be a torsion free discrete group acting cocompactly on a two dimensional euclidean building $\Delta$.The centralizer of an element of $\Gamma$ is either a Bieberbach group or is described by a finite graph of finite cyclic groups.Explicit examples are computed, with $\Delta$ of type $\widetilde A_2$.


Publication metadata

Author(s): Robertson G

Publication type: Article

Publication status: Published

Journal: Journal of Group Theory

Year: 2011

Volume: 14

Issue: 6

Pages: 881-890

Print publication date: 01/11/2011

Date deposited: 13/01/2011

ISSN (print): 1433-5883

ISSN (electronic): 1435-4446

Publisher: Walter de Gruyter GmbH & Co. KG

URL: http://dx.doi.org/10.1515/JGT.2010.085

DOI: 10.1515/JGT.2010.085


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