T-Martin boundary of reflected random walks on a half-space
Irina Ignatiouk-Robert, UMR CNRS 8088, departement de Mathemetiques, Universite de Cergy-Pontoise
Abstract
The t-Martin boundary of a random walk on a half-space with reflected boundary conditions is identified. It is shown in particular that the t-Martin boundary of such a random walk is not stable in the following sense : for different values of t, the t-Martin compactifications are not equivalent.
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