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Title:
Localization by 2-periodic complexes and virtual structure sheaves
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Abstract:
We discuss a K-theoretic analogue of a localized Chern character map and its properties. A K-theoretic localized Chern character map for a Koszul 2-periodic complex coincides with the co-section localized Gysin map defined by Y.-H. Kiem and J. Li. As an application, we compare the virtual structure sheaves of the moduli space of stable quasimaps and stable Landau–Ginzburg quasimaps.
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