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A new characterization of the Haagerup property by actions on infinite measure spaces
Published online by Cambridge University Press: 02 June 2020
Abstract
The aim of the article is to provide a characterization of the Haagerup property for locally compact, second countable groups in terms of actions on $\unicode[STIX]{x1D70E}$-finite measure spaces. It is inspired by the very first definition of amenability, namely the existence of an invariant mean on the algebra of essentially bounded, measurable functions on the group.
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- © The Author(s) 2020. Published by Cambridge University Press
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