Department of

Mathematics


Seminar Calendar
for events the day of Wednesday, November 2, 2005.

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Questions regarding events or the calendar should be directed to Tori Corkery.
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Wednesday, November 2, 2005

2:00 pm in 347 Altgeld Hall,Wednesday, November 2, 2005

Drinfeld-Sokolov Reduction and W-algebras III

Maarten Bergvelt (UIUC Math)

Abstract: I will discuss the Korteweg-de Vries hierarchy as a reduction, and its quantization, leading to the definition of W-algebras.

3:00 pm in 441 Altgeld Hall,Wednesday, November 2, 2005

Contact Toric Manifolds and Cosphere Bundles

Christopher Lee (UIUC Math)

Abstract: As was (hastily) outlined in the previous talk in this series, the connection between contact toric manifolds and cosphere bundles of Riemannian manifolds is integral to the study of toric integrable geodesic flows. I will begin by giving a brief overview of contact toric manifolds, including the notion of contact moment maps and the statement of a classification theorem of such manifolds due to E. Lerman. In particular, we will concentrate on a certain class of contact toric manifolds; those of so-called Reeb type. We will try to answer the question: Can a contact toric manifold of Reeb type with dimension greater than 5 arise as a cosphere bundle? While this can be viewed as a continuation of a previous talk, I will strive to make it as accessible as possible.

4:00 pm in 245 Altgeld Hall,Wednesday, November 2, 2005

Topological field theory

Anton Malkin (Dept. of Mathematics, UIUC)

Abstract: I'll explain how to draw commutative algebras and how to multiply curves.