Seminar Calendar
for events the day of Wednesday, March 10, 2010.

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Wednesday, March 10, 2010

Dynamics on Networks
11:00 am   in 2 Illini Hall ,  Wednesday, March 10, 2010
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Submitted by lerman.
Lee DeVille (UIUC math)
Markov chains

Algebra, Geometry and Combinatorics Seminar
3:00 pm   in 445 Altgeld,  Wednesday, March 10, 2010
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Submitted by llpku.
Li Li (University of Illinois)
Multiplicities of singular points on Schubert varieties
Abstract: I will talk about the multiplicities of singular points on Schubert varieties in the complete flag variety. We study the multiplicities using degenerations of the Kazhdan-Lusztig ideals, and give a positive combinatorial rule for the covexillary case. I will then define drift configurations and use them to compare multiplicities with Kazhdan-Lusztig polynomials. This is joint work with Alex Yong.

Math 499: Introduction to Graduate Mathematics
4:00 pm   in 245 Altgeld Hall,  Wednesday, March 10, 2010
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Submitted by seminar.
Iwan Duursma (Department of Mathematics, University of Illinois)
Algebraic functions in one variable
Abstract: In the same way that algebraic numbers generalize the rational numbers, there is a parallel world of algebraic functions in one variable that generalize rational functions. We sketch the analogies and differences between the two worlds and we describe cryptographic applications of algebraic functions.