Estimation for Stochastic Damping Hamiltonian Systems under Partial Observation. I. Invariant density.

Patrick Cattiaux 1 Jose R. Leon 2 Clémentine Prieur 3
1 Institut de Mathématiques de Toulouse
IMT - Institut de Mathématiques de Toulouse
2 Universidad Central de Venezuela
Universidad Central de Venezuela
3 MOISE - Modelling, Observations, Identification for Environmental Sciences
Inria Grenoble - Rhône-Alpes, Institut National Polytechnique de Grenoble (INPG), LJK - Laboratoire Jean Kuntzmann
Abstract : In this paper, we study the non-parametric estimation of the invariant density of some ergodic hamiltonian systems, using kernel estimators. The main result is a central limit theorem for such estimators under partial observation (only the positions are observed). The main tools are mixing estimates and refined covariance inequalities, the main difficulty being the strong degeneracy of such processes. This is the first paper of a series of at least two, devoted to the estimation of the characteristics of such processes: invariant density, drift term, volatility ....
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Journal articles
Stochastic Processes and their Applications, Elsevier, 2014, 124 (3), pp.1236-1260. <10.1016/j.spa.2013.10.008>


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Patrick Cattiaux, Jose R. Leon, Clémentine Prieur. Estimation for Stochastic Damping Hamiltonian Systems under Partial Observation. I. Invariant density.. Stochastic Processes and their Applications, Elsevier, 2014, 124 (3), pp.1236-1260. <10.1016/j.spa.2013.10.008>. <hal-00739136v2>

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