报告题目：School Colloquium——Crossing probabilities in 2D critical lattice models

报告人及单位：吴昊（清华大学）

报告时间：2021-11-26  15:00-16:00

报告地点：腾讯会议

会议链接：https://meeting.tencent.com/dm/lONcoEfBouht
会议ID：852 702 967
会议密码：455455

Abstract: Conformal invariance of critical lattice models in two-dimensional has been vigorously studied for decades. The first example where the conformal invariance was rigorously verified was the planar uniform spanning tree (together with loop-erased random walk), proved by Lawler, Schramm and Werner in 2004. Later, the conformal invariance was also verified for Bernoulli percolation (Smirnov 2001), level lines of Gaussian free field (Schramm-Sheffield 2009), and Ising model and FK-Ising model (Chelkak-Smirnov et al 2012). In this talk, we focus on crossing probabilities of these critical lattice models in polygons with alternating boundary conditions. 

The talk has two parts. In the first part, we consider critical Ising model and give crossing probabilities of multiple interfaces in the critical Ising model in polygon with alternating boundary conditions. Similar formulas also hold for other models, for instance level lines of Gaussian free field and Bernoulli percolation. However, the situation is different when one considers uniform spanning tree. In the second part, we discuss uniform spanning tree and explain the corresponding results.  

报告人简介：吴昊，2005年进入清华大学数理基科班；2009年本科毕业后赴法国读博，主要研究随机过程Schramm Loewner Evolution，2013年博士毕业。2013-2017年，先后在美国麻省理工与瑞士日内瓦大学做博士后，主要研究高斯自由场与Ising模型。2017年被聘为清华大学长聘教授。2019年，获得清华大学“学术新人奖”。2020年，获得北京市自然科学基金杰出青年项目。