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- W2343977810 abstract "Given an acyclic twisting cochain $pi:Cto A$, from a curved dg coalgebra $C$ to a dg algebra $A$, we show that the associated twisted hom complex $mathrm{Hom}^pi_k(C,A)$ has cohomology equal to the Hochschild cohomology of $A$, as a graded ring. As a corollary we find that the Hochschild cohomology of a Koszul algebra $A$, along with its cup product, is a subquotient of the tensor product algebra $A^!otimes A$ of $A$ with its Koszul dual." @default.
- W2343977810 created "2016-06-24" @default.
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- W2343977810 date "2013-04-02" @default.
- W2343977810 modified "2023-09-27" @default.
- W2343977810 title "The cup product on Hochschild cohomology via twisting cochains and applications to Koszul rings" @default.
- W2343977810 hasPublicationYear "2013" @default.
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