Cohomology of Fixed Point Sets and Deformation of Algebras.
Volker Puppe (1977/78)
Manuscripta mathematica
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Displaying similar documents to “Deformations of Algebras and Cohomology of Fixed Point Sets.”
Cohomology of Fixed Point Sets and Deformation of Algebras.
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We revisit the old result that biflat Banach algebras have the same cyclic cohomology as C, and obtain a quantitative variant (which is needed in separate, joint work of the author on the simplicial and cyclic cohomology of band semigroup algebras). Our approach does not rely on the Connes-Tsygan exact sequence, but is motivated strongly by its construction as found in [2] and [5].