Seminari di Sistemi Dinamici Olomorfi 2011-2012
timetable:
Thu 24 Nov, 16:00 - 17:00, Sala Riunioni del Centro De Giorgi
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seminar: Absolute continuity of hitting measures for random walks
speaker: Giulio Tiozzo (Yale University)abstract: Given a random walk on a discrete group, the hitting measure is the probability that the walk hits a given subset of the associated Poisson boundary. Sometimes the boundary comes equipped with a natural measure, hence one can ask whether the hitting measure is absolutely continuous with respect to this measure. We will examine a few examples, and present work in progress in the case of fundamental groups of hyperbolic manifolds.
timetable:
Thu 24 Nov, 16:00 - 17:00, Sala Riunioni del Centro De Giorgi
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