Derived invariance of the cap product in Hochschild theory

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Marco A. Armenta A. , Bernhard Keller This is my paper · ORCID

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keywords derivedinvarianceproductalgebrasassociativecommutativehochschildprojective

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We prove derived invariance of the cap product for associative algebras projective over a commutative ring.

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Dimer Models and Hochschild Cohomology
math.RA 2019-08 accept novelty 7.0 of 10

For zigzag consistent dimers on a torus, the Hochschild cohomology of the Jacobi algebra and the compactly supported Hochschild cohomology of the matrix factorization category are computed in explicit combinatorial te...