Department of

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for events the day of Thursday, April 7, 2022.

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Thursday, April 7, 2022

2:00 pm in Altgeld Hall 347 ,Thursday, April 7, 2022

An introduction to Pirogov-Sinai Theory

Bob Krueger (UIUC Math )

Abstract: I will introduce a few spin models on lattices and discuss the usual polymer models. Then I will describe the polymer model at the basis of Pirogov-Sinai Theory. I hope to get to a recent result of Helmuth, Perkins, and Regts which uses Pirogov-Sinai Theory to efficiently sample from these spin models at low temperatures. I assume no knowledge of statistical physics.