Author:
Calaque Damien,Felder Giovanni,Ferrario Andrea,Rossi Carlo A.
Abstract
AbstractWe prove a version of Kontsevich’s formality theorem for two subspaces (branes) of a vector space X. The result implies, in particular, that the Kontsevich deformation quantizations of S(X*) and ∧(X) associated with a quadratic Poisson structure are Koszul dual. This answers an open question in Shoikhet’s recent paper on Koszul duality in deformation quantization.
Subject
Algebra and Number Theory
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