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Geometric ergodicity for families of homogeneous Markov chains
Galtchouk L. et al
http://hal.archives-ouvertes.fr/hal-00455976
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Leonid Galtchouk1, Serguei Pergamenchtchikov ()2
1:  IRMA - Institut de Recherche Mathématique Avancée
http://www-irma.u-strasbg.fr/
CNRS : UMR7501 – Université de Strasbourg
7 rue René-Descartes, 67084 Strasbourg Cedex, France
France
2:  LMRS - Laboratoire de Mathématiques Raphaël Salem
http://www.univ-rouen.fr/LMRS
CNRS : UMR6085 – Université de Rouen
France
Mathematics/Statistics
Statistics/Statistics Theory
Geometric ergodicity for families of homogeneous Markov chains
In this paper we find nonasymptotic exponential upper bounds for the deviation in the ergodic theorem for families of homogeneous Markov processes. We find some sufficient conditions for geometric ergodicity uniformly over a parametric family. We apply this property to the nonasymptotic nonparametric estimation problem for ergodic diffusion processes.
English
2010-02-10

Homogeneous Markov chain – Geometric ergodicity – Coupling renewal processes – Lyapunov function – Renewal theory – Nonasymptotic exponential upper bound – Ergodic diffusion processes
60F10

RFBR-Grant 09-01-00172-a