Portugaliae Mathematica   EMIS ELibM Electronic Journals PORTUGALIAE
MATHEMATICA
Vol. 61, No. 4, pp. 393-397 (2004)

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Brown--McCoy semisimplicity of certain Banach algebras

W.D. Munn

Department of Mathematics, University of Glasgow,
Glasgow, G12 8QW -- SCOTLAND, U.K.

Abstract: It is shown that if $S$ is a free group, a free semigroup, or a free inverse semigroup then the Brown--McCoy radical of the Banach algebra $l^1(S)$ is zero.

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Electronic version published on: 7 Mar 2008.

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