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Realization of an Ergodic Markov Chain as a Random Walk Subject to a Synchronizing Road Coloring

Published online by Cambridge University Press:  14 July 2016

Kouji Yano*
Affiliation:
Kobe University
Kenji Yasutomi*
Affiliation:
Ritsumeikan University
*
Current address: Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan. Email address: [email protected]
∗∗ Postal address: Department of Mathematical Sciences, Ritsumeikan University, 1-1-1 Noji Higashi, Kusatsu, Shiga 525-8577, Japan.
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Abstract

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An ergodic Markov chain is proved to be the realization of a random walk in a directed graph subject to a synchronizing road coloring. The result ensures the existence of appropriate random mappings in Propp-Wilson's coupling from the past. The proof is based on the road coloring theorem. A necessary and sufficient condition for approximate preservation of entropies is also given.

Type
Research Papers
Copyright
Copyright © Applied Probability Trust 2011 

Footnotes

Research supported by KAKENHI (20740060).

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