Geodesic
Pseudo-amenability of Brandt semigroup algebras
Commentationes Mathematicae Universitatis Carolinae, Tome 50 (2009) no. 3, pp. 413-419.

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In this paper it is shown that for a Brandt semigroup $S$ over a group $G$ with an arbitrary index set $I$, if $G$ is amenable, then the Banach semigroup algebra $\ell^1(S)$ is pseudo-amenable.
Classification : 43A07, 43A20, 46H20
Keywords: pseudo-amenability; Brandt semigroup algebra; amenable group 
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Sadr, Maysam Maysami. Pseudo-amenability of Brandt semigroup algebras. Commentationes Mathematicae Universitatis Carolinae, Tome 50 (2009) no. 3, pp. 413-419. http://geodesic.mathdoc.fr/item/CMUC_2009__50_3_a7/