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Permanent weak amenability of group algebras of free groups

Lookup NU author(s): Professor Barry Johnson

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Abstract

We show that all derivations from the group algebra ℓ1(G) of a free group into its nth dual, where n is a positive even integer, are inner. Combined with the known result for odd values of n, this shows that these algebras are permanently weakly amenable.

Publication metadata

Author(s): Johnson BE

Publication type: Article

Publication status: Published

Journal: Bulletin of the London Mathematical Society

Year: 1999

Volume: 31

Issue: 5

Pages: 569-573

Print publication date: 01/09/1999

ISSN (print): 0024-6093

ISSN (electronic): 1469-2120

Publisher: Oxford University Press

URL: http://dx.doi.org/10.1112/S0024609399005834

DOI: 10.1112/S0024609399005834

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