Department of

# Mathematics

Seminar Calendar
for Operator Algebras Learning Seminar events the year of Tuesday, February 20, 2018.

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events for the
events containing

Questions regarding events or the calendar should be directed to Tori Corkery.
     January 2018          February 2018            March 2018
Su Mo Tu We Th Fr Sa   Su Mo Tu We Th Fr Sa   Su Mo Tu We Th Fr Sa
1  2  3  4  5  6                1  2  3                1  2  3
7  8  9 10 11 12 13    4  5  6  7  8  9 10    4  5  6  7  8  9 10
14 15 16 17 18 19 20   11 12 13 14 15 16 17   11 12 13 14 15 16 17
21 22 23 24 25 26 27   18 19 20 21 22 23 24   18 19 20 21 22 23 24
28 29 30 31            25 26 27 28            25 26 27 28 29 30 31



Monday, April 9, 2018

5:00 pm in 241 Altgeld Hall,Monday, April 9, 2018

#### An $\ell_2$-proof of Gaboriau's theorem

###### Anton Bernshteyn (Illinois Math)

Abstract: In this episode of the Operator Algebras Learning Seminar, we will finally put everything together and prove Gaboriau's "treeings realize cost" theorem using Hilbert modules and von Neumann dimension.