Lei Song : An introduction to deformation theory

Posted by Lei Song , part of the Graduate Algebraic Geometry Seminar.

At

Sept. 26, 2013, 3:30 p.m.

In

SEO 712

Abstract

Deformation theory is an important tool for the study of moduli spaces. I will talk about the notions of first order deformation, higher-order deformations and obstruction groups involved. As an application, I will show that the Hilbert scheme of n-points on a smooth surface is smooth.