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A Case Leading to Rationality of the Drift

  • Gastão Bettencourt
Conference paper
Part of the Springer Proceedings in Mathematics & Statistics book series (PROMS, volume 57)

Abstract

Let G be an infinite finitely generated group endowed with a measure of probability and a left-invariant metric. Let ∂ G be the horofunction compactification. Using a representation of the drift via horofunctions, we establish one situation in which we have rationality of the drift.

Keywords

Probability Measure Random Walk Compact Group Uniform Convergence Rational Coefficient 
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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.UBI – Universidade da Beira InteriorCovilhãPortugal

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