Harmonic measures for random walks on Fuchsian groups

Harmonic measures for random walks on Fuchsian groups

Harmonic measures for random walks on Fuchsian groups

Thursday, July 25, 2024
  • Lecturer: Peter Kosenko (University of British Columbia)
  • Location: Amado 919
Abstract:
In my talk I will explain how to study the long-term behaviour of finitely generated random walks on Fuchsian groups. This is a very rich topic which highliights a deep connections between probability and geometric group theory. In particular, we will discuss the singularity of the harmonic measure for nearest-neighbour random walks on cocompact Fuchsian groups with "nice" fundamental domains. If time permits, we will discuss the latest developments related to the classification of hitting measures with respect to actions of Fuchsian groups on $S^1$.
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