Previous Special Year Seminar

Apr
29
2008

Algebro-Geometric Derived Categories and Applications

Categorification of quantum groups and Floer theory
Hao Zheng
2:00pm|S-101

This talk is concerned with categorification of quantum Kac-Moody algebras and their integrable representations. First, I show how to fulfill the task by using sheaf theory. Then I will argue that the constructions could be well understood and...

Apr
17
2008

Towards 2-Dimensional Geometric Langlands Correspondence

H^3 and Gerbal Extensions
Xinwen Zhu
2:00pm|S-101

It is long expected that to study the representation theory of the double loop group and the corresponding Lie algebra, the third cohomology group should play an important role. The idea is that the third cohomology classes are naturally realized...