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Matrix factorizations and higher residue pairings
Published 20 Jun 2013 in math.AG and math.KT | (1306.4878v2)
Abstract: The periodic cyclic homology of any proper dg category comes equipped with a canonical pairing. We show that in the case of the dg category of matrix factorizations of an isolated singularity the canonical pairing can be identified with the so-called higher residue pairing on the twisted de Rham cohomology of the singularity.
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