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Groups with the Haagerup Property: Gromov's A-T-Menability

Groups with the Haagerup Property: Gromov's A-T-Menability

Paperback

Series: Modern Birkhäuser Classics

AlgebraGeneral MathematicsProbability & Statistics

ISBN10: 3034809050
ISBN13: 9783034809054
Publisher: Springer Nature
Published: Mar 10 2015
Pages: 126
Weight: 0.44
Height: 0.29 Width: 6.14 Depth: 9.21
Language: English

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.

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