Seminar Calendar
for events the day of Monday, March 13, 2017.

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Monday, March 13, 2017

Math 499: Introduction to Graduate Mathematics
4:00 pm   in 245 Altgeld Hall,  Monday, March 13, 2017
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Submitted by laugesen.
Florin Boca (Department of Mathematics, University of Illinois)
Farey statistics and applications

Symplectic and Poisson Geometry Seminar
4:00 pm   in 243 Altgeld Hall,  Monday, March 13, 2017
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Submitted by icontrer.
Melinda Lanius (UIUC)
Deformations of log symplectic structures on surfaces
Abstract: A star log symplectic bi-vector on a surface has a degeneracy loci locally modelled by a finite set of lines in the plane intersecting at a point. We will discuss two ways to capture the behaviour of their deformations: one `global' and one more `local' in flavor. From a global perspective, we classify all star log symplectic structures on compact surfaces up to symplectomorphism by some associated Lie algebroid de Rham cohomology classes. In a more local snap shot, we compute the Poisson cohomology of these structures and discuss the relationship of our classification and the second Poisson cohomology.

Operator Algebra Learning Seminar
5:00 pm   in 241 Altgeld Hall,  Monday, March 13, 2017
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Submitted by mjunge.
Chris (UIUC)
Embedding of Heisenberg group in L_1
Abstract: Part 2: The details