PORTUGALIAE MATHEMATICA Vol. 61, No. 4, pp. 393397 (2004) 

BrownMcCoy semisimplicity of certain Banach algebrasW.D. MunnDepartment 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 BrownMcCoy radical of the Banach algebra $l^1(S)$ is zero. Full text of the article:
Electronic version published on: 7 Mar 2008.
© 2004 Sociedade Portuguesa de Matemática
