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Alexander Polishchuk; Arkady Vaintrob
Matrix factorizations and singularity categories for stacks
(Factorisations matricielles et catégories des singularités pour les champs algébriques)
Annales de l'institut Fourier, 61 no. 7 (2011), p. 2609-2642, doi: 10.5802/aif.2788
Article PDF | Reviews MR 3112502 | Zbl 1278.13014
Class. Math.: 14A20, 14J17, 18E30
Keywords: matrix factorizations, singularity category, algebraic stack

Résumé - Abstract

We study matrix factorizations of a potential W which is a section of a line bundle on an algebraic stack. We relate the corresponding derived category (the category of D-branes of type B in the Landau-Ginzburg model with potential W) with the singularity category of the zero locus of W generalizing a theorem of Orlov. We use this result to construct push-forward functors for matrix factorizations with relatively proper support.

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