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Convergence of Markov chains in the relative supremum norm

Published online by Cambridge University Press:  14 July 2016

Lars Holden*
Affiliation:
Norwegian Computing Center
*
Postal address: Norwegian Computing Center, P.O. Box 114, Blindern, N-0314 Oslo, Norway. Email address: [email protected]

Abstract

It is proved that the strong Doeblin condition (i.e., ps(x,y) ≥ asπ(y) for all x,y in the state space) implies convergence in the relative supremum norm for a general Markov chain. The convergence is geometric with rate (1 - as)1/s. If the detailed balance condition and a weak continuity condition are satisfied, then the strong Doeblin condition is equivalent to convergence in the relative supremum norm. Convergence in other norms under weaker assumptions is proved. The results give qualitative understanding of the convergence.

MSC classification

Type
Research Papers
Copyright
Copyright © by the Applied Probability Trust 2000 

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Footnotes

Research supported by the Research Council of Norway.

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