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math.KT2010★ 22 cited
Curved A-infinity algebras and Landau-Ginzburg models
Andrei Caldararu, Junwu Tu
We study the Hochschild homology and cohomology of curved A-infinity algebras that arise in the study of Landau-Ginzburg (LG) models in physics. We show that the ordinary Hochschil…
math.KT2002★ 2 cited
Algebraic deformations arising from orbifolds with discrete torsion
Andrei Caldararu, Anthony Giaquinto, Sarah Witherspoon
We develop methods for computing Hochschild cohomology groups and deformations of crossed product rings. We use these methods to find deformations of a ring associated to a particu…