(Co-)homology of Rees semigroup algebras

preprint2010arXivOpen access

Let $S$ be a Rees semigroup, and let $\ell^1(S)$ be its convolution semigroup algebra. Using Morita equivalence we show that bounded Hochschild homology and cohomology of $\ell^1(S)$ is isomorphic to those of the underlying discrete group algebra.

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(Co-)homology of Rees semigroup algebras

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