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New theory of random walks on the groups: Graded graphs approach, absolute
时间  Datetime
2018-11-23 14:00 — 15:30 
地点  Venue
Middle Lecture Room
报告人  Speaker
Anatoly Vershik
单位  Affiliation
St. Petersburg State University
邀请人  Host
Yaokun Wu
报告摘要  Abstract

Classical theory of random walks on the groups contains as important point the study of the limit behavior of trajectories and notion of Poisson-Furstenberg boundary.

The new approach allows to generalize that theory and introduce so-called “absolute” --- as a new boundary of the random walks. We will illustrate this with examples of Free group and Heisenberg group. We will discuss relevant probabilitic, algebraic and combinatorial problems.