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Mirror symmetry, constructible sheaves and toric varieties

Posted on:2011-03-20Degree:Ph.DType:Thesis
University:Northwestern UniversityCandidate:Fang, BohanFull Text:PDF
GTID:2440390002464427Subject:Mathematics
Abstract/Summary:
This thesis explores the relation between three quasi-equivalent categories: the category of coherent sheaves on a toric variety, the category of certain constructible sheaves on a real vector space, and a certain Fukaya category of the cotangent bundle of that real vector space. The quasi-equivalence between the Fukaya category and the category of coherent sheaves is achieved by a T-duality process and is regarded as a version of homological mirror symmetry, while the quasi-equivalence between the category of certain constructible sheaves and the category of coherent sheaves is a new relation called coherent-constructible correspondence, which categorifies Morelli's theorem at the level of K-theory [Mo].
Keywords/Search Tags:Sheaves, Mirror symmetry, Category, Real vector space
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