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math.KT2009★ 2 cited
A Hochschild Cohomology Comparison Theorem for prestacks
Wendy Lowen, Michel Van den Bergh
We generalize and clarify Gerstenhaber and Schack's "Special Cohomology Comparison Theorem". More specifically we obtain a fully faithful functor between the derived categories of…
math.KT2009★ 4 cited
On the (non)vanishing of some "derived" categories of curved dg algebras
Bernhard Keller, Wendy Lowen, Pedro Nicolas
Since curved dg algebras, and modules over them, have differentials whose square is not zero, these objects have no cohomology, and there is no classical derived category. For diff…