Seminar Calendar
for events the day of Thursday, May 5, 2011.

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Thursday, May 5, 2011

Group Theory
1:00 pm   in 347 Altgeld Hall,  Thursday, May 5, 2011
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Submitted by jathreya.
Alex Eskin (University of Chicago)
The SL(2,R) action on Moduli space
Abstract: I will discuss ergodic theory over the moduli space of compact Riemann surfaces and its applications to the study of polygonal billiard tables. There is an analogy between this subject and the theory of flows on homogeneous spaces; I will talk about some successes and limitations of this viewpoint.

Special Graduate Geometry and Topology Seminar
2:00 pm   in 241 Altgeld Hall,  Thursday, May 5, 2011
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Submitted by lukyane2.
Abhishek Roy (UIUC Physics)
Geometric Phases in Physics
Abstract: In 1983, Berry formalized the notion of the geometric phase and physicists recognized that they were everywhere. I will give a short introduction and as many examples as time permits, including Wess-Zumino terms which may be thought of as generalizations of the Berry phase.