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Connected components of Isom(H3)-representations of non-orientable surfaces
Durán Batalla, Juan Luis (Universitat Autònoma de Barcelona. Departament de Matemàtiques)

Date: 2022
Abstract: Let N denote the closed non-orientable surface of genus k. In this paper we study the behaviour of the 'square map' from the group of isometries of hyperbolic 3-space to the subgroup of orientation preserving isometries. The properties of the 'square map' and other related maps serve as a technical step towards the counting of the connected components of the variety of representations of π(N) in Isom(H). We show that the variety of representations hom(π(N), Isom (H)) has 2 connected components, which are distinguished by the Stiefel-Whitney classes of the associated flat bundle.
Grants: Ministerio de Ciencia e Innovación BES-2016-079278
Agencia Estatal de Investigación PGC2018-095998-B-I00
Note: Altres ajuts: acords transformatius de la UAB
Rights: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Language: Anglès
Document: Article ; recerca ; Versió publicada
Subject: Representation varieties ; Stiefel-Whitney class ; Orientation reversing isometries of H3
Published in: Geometriae Dedicata, Vol. 216, Issue 3 (June 2022) , art. 25, ISSN 1572-9168

DOI: 10.1007/s10711-022-00682-x


15 p, 317.5 KB

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

 Record created 2022-04-29, last modified 2023-04-01



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