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Reversible topological Markov shifts

Published online by Cambridge University Press:  13 January 2006

JUNGSEOB LEE
Affiliation:
Department of Mathematics, Ajou University, Suwon 443-749, Korea (e-mail: [email protected], [email protected])
KEYWON K. PARK
Affiliation:
Department of Mathematics, Ajou University, Suwon 443-749, Korea (e-mail: [email protected], [email protected])
SUJIN SHIN
Affiliation:
Department of Mathematics, KAIST, Daejeon 305-701, Korea (e-mail: [email protected])

Abstract

We generalize the notion of reversible systems in symbolic dynamics, and investigate their properties. It is shown that a reversible topological Markov shift can be represented by a pair of matrices of special types. This enables us to classify the invariant measures of the reversible systems. Necessary and/or sufficient conditions for the existence of a reversal of finite order are established in terms of the adjacency matrices. We also prove that a topological Markov shift with a reversal of order two admits reversals of all orders.

Type
Research Article
Copyright
2006 Cambridge University Press

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