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Invariant Probabilities with Geometric Tail

Published online by Cambridge University Press:  27 July 2009

Jean B. Lasserre
Affiliation:
LAAS-CNRS, 7 Avenue du Colonel Roche, 31077 Toulouse Cédex, France
Henk Tijms
Affiliation:
Department of Econometrics, Vrije Universiteit, 1081 HV Amsterdam, The Netherlands

Abstract

We present necessary and suffi2ient Foster-type conditions for a countable state Markov chain to have an invariant probability with at least a geometric tail. These conditions are obtained by using a generalized Farkas Theorem in Linear Algebra. The purpose of this note is also to pose an interesting and important research problem that is still largely open.

Information

Type
Research Article
Copyright
Copyright © Cambridge University Press 1996

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