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Meetings of the St. Petersburg Mathematical Society
September 14, 2004, St. Petersburg

A talk of the Society Prize winner for 2002

Poisson boundary for random walks on groops

Anna Erschler

Lille

Abstract: Poisson boundary for a class of groups that act on rooted trees were described. First examples of groups with subexponential growth that admit random walks with nontrivial boundary were constructed. As an application, new asymptotics of intermediate growth were presented.


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