Negative definite kernels and a dynamical characterization of property (T) for countable groups

DOI10.1017/S0143385798100342zbMath0966.22005OpenAlexW2001503970MaRDI QIDQ4236264

Tim Steger, A. Guyan Robertson

Publication date: 14 August 2001

Published in: Ergodic Theory and Dynamical Systems (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/s0143385798100342

zbMATH Keywords

measure-preserving actionKazhdan's property (T)conditionally negative definite kernelmeasure-definite kernels

Mathematics Subject Classification ID

Ergodic theory on groups (22D40) General groups of measure-preserving transformations (28D15) Unitary representations of locally compact groups (22D10) Positive definite functions on groups, semigroups, etc. (43A35)

Related Items (6)

Proper actions of wreath products and generalizations ⋮ Property \((T)\) and rigidity for actions on Banach spaces ⋮ Property FW and 1-dimensional piecewise groups ⋮ Kazhdan and Haagerup properties from the median viewpoint. ⋮ LOCALLY COMPACT WREATH PRODUCTS ⋮ Stable processes with stationary increments parameterized by metric spaces

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