Seminar Calendar
for events the day of Monday, September 24, 2012.

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Monday, September 24, 2012

Operator Algebra Learning Seminar
10:00 am   in 147 Altgeld Hall,  Monday, September 24, 2012
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Submitted by mbrannan.
Marius Junge (University of Illinois, Department of Mathematics)
Hilbert W*-Modules, Part II
Abstract: Marius will continue the discussion on Hilbert W*-modules from last Wednesday.

Ergodic Theory
4:00 pm   in 241 Altgeld Hall,  Monday, September 24, 2012
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Submitted by jathreya.
Joe Rosenblatt (University of Illinois, Department of Mathematics)
Directional Behavior for Two-variable Commuting Actions
Abstract: Directional ergodicity and directional weak mixing of the action of two commuting transformations S and T can be analyzed by looking at extensions in which S and T are embedded in a two real variable flow. For a suitable class of extensions, the directional behavior observed is determined not by the extension itself, but by intrinsic spectral properties of the original action by S and T.