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Koszul duality for toric varieties

Tom Braden
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Abstract

We show that certain categories of perverse sheaves on a pair of affine toric varieties defined by dual cones are Koszul dual in the sense of Beilinson, Ginzburg and Soergel. The functor expressing this duality is constructed explicitly using a combinatorial model for mixed sheaves on toric varieties.

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Tom Braden. 2006-07-13. Koszul duality for toric varieties. https://arxiv.org/abs/math/0308216

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