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Robust Approximation in a Filtering Problem with Real State Space and Counting Observations

Robust Approximation in a Filtering Problem with Real State Space and Counting Observations . Let (Xt,Yt)be a pure jump Markov process, where Xttakes values in \bf R and Ytis a counting process. We compare the filter of this system and a filter of a suitably modified system. We compute an explicit bound for the distance in the so-called bounded Lipschitz metric between the two filters. Finally we show how to use this bound to construct a discrete space approximation of the filter. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Mathematics & Optimization Springer Journals

Robust Approximation in a Filtering Problem with Real State Space and Counting Observations

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References (19)

Publisher
Springer Journals
Copyright
Copyright © Springer-Verlag New York Inc. 2000
Subject
Mathematics; Calculus of Variations and Optimal Control; Optimization; Systems Theory, Control; Theoretical, Mathematical and Computational Physics; Mathematical Methods in Physics; Numerical and Computational Physics, Simulation
ISSN
0095-4616
eISSN
1432-0606
DOI
10.1007/s002450010002
Publisher site
See Article on Publisher Site

Abstract

. Let (Xt,Yt)be a pure jump Markov process, where Xttakes values in \bf R and Ytis a counting process. We compare the filter of this system and a filter of a suitably modified system. We compute an explicit bound for the distance in the so-called bounded Lipschitz metric between the two filters. Finally we show how to use this bound to construct a discrete space approximation of the filter.

Journal

Applied Mathematics & OptimizationSpringer Journals

Published: Jan 1, 2000

Keywords: Key words. Filtering, Counting process, Jump Markov process, Coupling. AMS Classification. 60G35, 60J75, 60F99.

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