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Derivations of Group Algebras and Hochschild cohomology
Published 5 Nov 2018 in math.RT, math.GR, and math.OA | (1811.02439v4)
Abstract: The Hochschild homology and cohomology group can be described in terms of the homology and cohomology of the classifying space of the groupoid of the adjoint action of the group under the suitable assumption of the finiteness of the supports of cohomology groups. The difference between homology and cohomology leads to a correction of the results in the book by D. J. Benson (1995),(1991).
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