paper

Random walk on Bethe lattice and hyperbolic geometry

arXiv:cond-mat/9509067 · doi:10.1088/0305-4470/29/10/019

Abstract

We give the exact solution to the problem of a random walk on the Bethe lattice through a mapping on an asymmetric random walk on the half-line. We also study the continuous limit of this model, and discuss in detail the relation between the random walk on the Bethe lattice and Brownian motion on a space of constant negative curvature.

12 pages. Revised version (minor changes) to appear in J. Phys. A

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