Algebraic recurrence of random walks on groups

Hilary Finucane
Tue, Jun 5, 2012
PIMS, University of British Columbia
PIMS-MPrime Summer School in Probability
Consider a symmetric random walk on a group G. If the trace of the random walk generates G as a semigroup almost surely, then we say that G is algebraically recurrent. In this talk, we will present some initial steps towards understanding algebraic recurrence, including examples of algebraically recurrent and non-algebraically recurrent groups. We will conclude with some open questions. This is joint work with Itai Benjamini and Romain Tessera.

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