Department of

Mathematics


Seminar Calendar
for events the day of Friday, December 6, 2013.

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Friday, December 6, 2013

4:00 pm in 241 Altgeld Hall,Friday, December 6, 2013

From curves to train tracks

Ser-Wei Fu (UIUC Math)

Abstract: In this talk, I plan to introduce the concept of train tracks used in the study of geometric topology. The first half will be dedicated to various mathematical objects that arise from the study of curves. Closed curves are fascinating but simple objects that serve as great starting point for both geometers and topologists. The second half of the talk will focus on defining and explaining why train tracks are interesting.

4:00 pm in 345 Altgeld Hall,Friday, December 6, 2013

Invariant measures on families of countable structures

Aristotelis Panagiotopoulos (UIUC)

Abstract: In the talk, we will go over the work of Ackerman, Freer and Patel in "Invariant measures concentrated on countable structures" describing a construction of a permutation invariant measure on copies of a countable structure.