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SPECTRAL CONDITIONS FOR UNIFORM P-ERGODICITIES OF MARKOV OPERATORS ON ABSTRACT STATES SPACES

Part of: Measure-theoretic ergodic theory Markov processes General theory of linear operators

Published online by Cambridge University Press:  23 September 2020

NAZIFE ERKURŞUN-ÖZCAN  and
FARRUKH MUKHAMEDOV
NAZIFE ERKURŞUN-ÖZCAN
Affiliation:
Department of Mathematics, Faculty of Science, Hacettepe University, Ankara06800, Turkey, e-mail: [email protected]
FARRUKH MUKHAMEDOV
Affiliation:
Department of Mathematical Sciences, College of Science, United Arab Emirates University, Al Ain, Abu Dhabi15551, United Arab Emirates, e-mails: [email protected]; [email protected]
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Abstract

In the present paper, we deal with asymptotical stability of Markov operators acting on abstract state spaces (i.e. an ordered Banach space, where the norm has an additivity property on the cone of positive elements). Basically, we are interested in the rate of convergence when a Markov operator T satisfies the uniform P-ergodicity, i.e. $\|T^n-P\|\to 0$ , here P is a projection. We have showed that T is uniformly P-ergodic if and only if $\|T^n-P\|\leq C\beta^n$ , $0<\beta<1$ . In this paper, we prove that such a β is characterized by the spectral radius of T − P. Moreover, we give Deoblin’s kind of conditions for the uniform P-ergodicity of Markov operators.

MSC classification

Primary: 47A35: Ergodic theory
Secondary: 60J10: Markov chains (discrete-time Markov processes on discrete state spaces) 28D05: Measure-preserving transformations
Type
Research Article
Information
Glasgow Mathematical Journal , Volume 63 , Issue 3 , September 2021 , pp. 682 - 696
Copyright
© The Author(s), 2020. Published by Cambridge University Press on behalf of Glasgow Mathematical Journal Trust

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