Department of

Mathematics


Seminar Calendar
for events the day of Monday, February 22, 2016.

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Questions regarding events or the calendar should be directed to Tori Corkery.
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Monday, February 22, 2016

2:00 pm in 345 Altgeld Hall,Monday, February 22, 2016

Gluing Fukaya categories of Riemann surfaces

James Pascaleff (Illinois)

Abstract: I will discuss some gluing properties of Fukaya-type categories associated to punctured Riemann surfaces, with applications to mirror symmetry for such surfaces. This is joint work with Nicolo Sibilla (UBC).

4:00 pm in 245 Altgeld Hall,Monday, February 22, 2016

Modular forms and number theory

Scott Ahlgren (Department of Mathematics, University of Illinois)

5:00 pm in 241 Altgeld Hall,Monday, February 22, 2016

Classification of Baumslag-Solitar group von Neumann algebras (Part III)

Stephen Longfield (UIUC Math)

Abstract: Since the introduction of von Neumann algebras, a program to classify group von Neumann algebras has been underway. Though many questions in this direction remain open, new techniques developed in the last 15 years have yielded several interesting results. Following last week's seminar, this talk will follow the 2014 paper of Meesschaert and Vaes, in which the authors apply the powerful deformation/rigidity theory of Popa to partially classify the von Neumann algebras of the Baumslag-Solitar groups.