Abstract
Abstract In this article the pseudo-amenability and pseudo-contractibility of restricted semigroup algebra l r 1 ( S ) $l_r^1(S)$ and semigroup algebra, l 1(Sr) on restricted semigroup, Sr are investigated for different classes of inverse semi-groups such as Brandt semigroup, and Clifford semigroup. We particularly show the equivalence between pseudo-amenability and character amenability of restricted semigroup algebra on a Clifford semigroup and semigroup algebra on a restricted semigroup. Moreover, we show that when S = M 0(G, I)is a Brandt semigroup, pseudo-amenability of l 1(Sr) is equivalent to its pseudo-contractibility.
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