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MATRIX FACTORIZATIONS AND SINGULARITY CATEGORIES IN CODIMENSION TWO

机译:矩阵侵略性和奇异性类别中的两种

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摘要

A theorem of Orlov from 2004 states that the homotopy category of matrix factorizations on an affine hypersurface Y is equivalent to a quotient of the bounded derived category of coherent sheaves on Y called the singularity category. This result was subsequently generalized to complete intersections of higher codimension by Burke and Walker. In 2013, Eisenbud and Peeva introduced the notion of matrix factorizations in arbitrary codimension. As a first step towards reconciling these two approaches, this paper describes how to construct a functor from codimension two matrix factorizations to the singularity category of the corresponding complete intersection.
机译:从2004年的orlov定理指出,仿射超越y对亚辐射的仿真分子的同象征类别相当于互相分类的y的相干滑轮的有界衍生类别的商。 随后将该结果推广以通过Burke和Walker完成更高的Codimension的交叉点。 2013年,Eisenbud和Peeva在任意分析中引入了矩阵因子的概念。 作为协调这两种方法的第一步,本文介绍了如何从CODIMINVES两个矩阵因子到相应的完整交叉口的奇点类别构建算子。

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