Pré-Publication, Document De Travail Année : 2004

Almost isomorphism for countable state Markov shifts

Résumé

Countable state Markov shifts are a natural generalization of the well-known subshifts of finite type. They are the subject of current research both for their own sake and as models for smooth dynamical systems. In this paper, we investigate their almost isomorphism and entropy conjugacy and obtain a complete classification for the especially important class of strongly positive recurrent Markov shifts. This gives a complete classification up to entropy conjugacy of the natural extensions of smooth entropy expanding maps, including all smooth interval maps with non-zero topological entropy.

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hal-00001548 , version 1 (09-05-2004)

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Mike Boyle, Jerome Buzzi, Ricardo Gomez. Almost isomorphism for countable state Markov shifts. 2004. ⟨hal-00001548⟩
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