Examples of groups which are not weakly amenable
Narutaka Ozawa
Source: Kyoto J. Math. Volume 52, Number 2
(2012), 333-344.
Abstract
We prove that weak amenability of a locally compact group imposes a strong condition on its amenable closed normal subgroups. This extends non–weak amenability results of Haagerup (1988) and Ozawa and Popa (2010). A von Neumann algebra analogue is also obtained.
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Permanent link to this document: http://projecteuclid.org/euclid.kjm/1335272982
Digital Object Identifier: doi:10.1215/21562261-1550985
Zentralblatt MATH identifier: 1242.43007
Mathematical Reviews number (MathSciNet): MR2914879
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Kyoto Journal of Mathematics
