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Wednesday, April 19, 2017

Graduate Student Colloquium
4:00 pm   in 245 Altgeld Hall,  Wednesday, April 19, 2017
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Submitted by hquan4.
Yun Shi (UIUC Math)
An introduction to enumerative geometry
Abstract: One important question in enumerative geometry concerns how many curves there are on a Calabi-Yau 3-fold. In this talk, I will present one of the approaches to the classical problem: there are 27 lines on a smooth cubic surface. Motivated by this approach, we will discuss the modern set-up to answer the curve counting questions, in particular its applications to Donaldson-Thomas theory.