The amenability of measure algebras

Dales, H.G. and Ghahramani, F. and Helemskii, A. Ya. (2002) The amenability of measure algebras. Journal of the London Mathematical Society, 66 (1). pp. 213-226. ISSN 0024-6107

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In this paper we shall prove that the measure algebra M(G) of a locally compact group G is amenable as a Banach algebra if and only if G is discrete and amenable as a group. Our contribution is to resolve a conjecture by proving that M(G) is not amenable in the case where the group G is not discrete. Indeed, we shall prove a much stronger result: the measure algebra of a non-discrete, locally compact group has a non-zero, continuous point derivation at a certain character on the algebra.

Item Type: Journal Article
Journal or Publication Title: Journal of the London Mathematical Society
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/2600
Departments: Faculty of Science and Technology > Mathematics and Statistics
ID Code: 67588
Deposited By: ep_importer_pure
Deposited On: 19 Nov 2013 10:55
Refereed?: Yes
Published?: Published
Last Modified: 19 Feb 2020 08:16

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