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Cohomology of property T groupoids and applications

Published online by Cambridge University Press:  19 May 2005

CLAIRE ANANTHARAMAN-DELAROCHE
CLAIRE ANANTHARAMAN-DELAROCHE
Affiliation:
Départment de Mathématiques, Université d'Orléans, 45067 Orléans, France (e-mail: [email protected])
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Abstract

We extend the Delorme–Guichardet characterization of Kazhdan property T groups to r-discrete measured groupoids. We give several applications, in particular to the stability results of Kazhdan property T groupoids and to the study of cocycles taking values in a group having the Haagerup property.

Type
Research Article
Information
Ergodic Theory and Dynamical Systems , Volume 25 , Issue 4 , August 2005 , pp. 977 - 1013
Copyright
2005 Cambridge University Press

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