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FIELD Math:Geometry
DATE February 27 (Wed), 2019
TIME 14:00-15:30
PLACE 1424
SPEAKER Lin, Yinbang
HOST Goller, Thomas
INSTITUTE Yau Mathematical Sciences Center, Tsinghua University
TITLE Moduli spaces of sheaves and stable pairs
ABSTRACT

In this talk, I will briefly review Mumford and Gieseker stability conditions and the corresponding moduli spaces of sheaves. Then, I will proceed to stable pairs. A pair consists of a coherent sheaf and a homomorphism from a fixed coherent sheaf to it. I will also talk about the related deformation-obstruction theory and examples of virtual fundamental classes.

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