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arXiv:math/0211457 [math.DS]AbstractReferencesReviewsResources

Projection of Markov measures may be Gibbsian

J. -R. Chazottes, E. Ugalde

Published 2002-11-29Version 1

We study the induced measure obtained from a 1-step Markov measure, supported by a topological Markov chain, after the mapping of the original alphabet onto another one. We give sufficient conditions for the induced measure to be a Gibbs measure (in the sense of Bowen) when the factor system is again a topological Markov chain. This amounts to constructing, when it does exist, the induced potential and proving its Holder continuity. This is achieved through a matrix method. We provide examples and counterexamples to illustrate our results.

Comments: 4 latex figures
Categories: math.DS, math.PR
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