Seminar Calendar
for events the day of Thursday, February 4, 2010.

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Thursday, February 4, 2010

Number Theory Seminar
1:00 pm   in 241 Altgeld Hall,  Thursday, February 4, 2010
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Submitted by jarouse.
Alexandru Zaharescu (UIUC Math)
Lehmer points and Kloosterman sums
Abstract: This is an expository talk about Kloosterman sums. We focus on their applications to Lehmer numbers and Lehmer points.

Group Theory Seminar
1:00 pm   in Altgeld Hall 347,  Thursday, February 4, 2010
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Submitted by kapovich.
Igor Mineyev (UIUC Math)
The topology and analysis of the Hanna Neumann conjecture (continued)
Abstract: We provide several approaches to the Hanna Neumann conjecture using topology and analysis. For the topological part, we define systems of complexes, atomic decomposition of graphs, and other concepts. The analytic part is the use of the classical Murray-von Neumann (!) dimension of Hilbert modules. Special cases and generalizations will be discussed.