Groups with the Haagerup Property: Gromov’s a-T-menability
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Bibliographic Details
Main Author: Cherix, Pierre-Alain (Author)
Format: Electronic eBook
Language:English
Published: Basel Birkhäuser Basel 2001
Series:Progress in Mathematics 197
Subjects:
Online Access:Volltext
Item Description:A locally compact group has the Haagerup property, or is a-T-menable in the sense of Gromov, if it admits a proper isometric action on some affine Hilbert space. As Gromov's pun is trying to indicate, this definition is designed as a strong negation to Kazhdan's property (T), characterized by the fact that every isometric action on some affine Hilbert space has a fixed point. The aim of this book is to cover, for the first time in book form, various aspects of the Haagerup property. New characterizations are brought in, using ergodic theory or operator algebras. Several new examples are given, and new approaches to previously known examples are proposed. Connected Lie groups with the Haagerup property are completely characterized
Physical Description:1 Online-Ressource (VII, 126 p)
ISBN:9783034882378
9783034894869
DOI:10.1007/978-3-0348-8237-8

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