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hal.structure.identifierApplications of interacting particle systems to statistics [ASPI]
hal.structure.identifierInstitut de Recherche Mathématique de Rennes [IRMAR]
dc.contributor.authorCÉROU, Frédéric
hal.structure.identifierAdvanced Learning Evolutionary Algorithms [ALEA]
hal.structure.identifierInstitut de Mathématiques de Bordeaux [IMB]
hal.structure.identifierCentre de Mathématiques Appliquées - Ecole Polytechnique [CMAP]
dc.contributor.authorDEL MORAL, Pierre
hal.structure.identifierApplications of interacting particle systems to statistics [ASPI]
hal.structure.identifierDépartement Mathématiques appliquées et sciences sociales - Rennes 2 [MASS]
dc.contributor.authorGUYADER, Arnaud
dc.date.issued2011
dc.identifier.issn0246-0203
dc.description.abstractEnWe present a nonasymptotic theorem for interacting particle approximations of unnormalized Feynman-Kac models. We provide an original stochastic analysis-based on Feynman-Kac semigroup techniques combined with recently developed coalescent tree-based functional representations of particle block distributions. We present some regularity conditions under which the L(2)-relative error of these weighted particle measures grows linearly with respect to the time horizon yielding what seems to be the first results of this type for this class of unnormalized models. We also illustrate these results in the context of particle absorption models, with a special interest in rare event analysis.
dc.language.isoen
dc.publisherInstitut Henri Poincaré (IHP)
dc.subject.enInteracting particle systems
dc.subject.enFeynman-Kac semigroups
dc.subject.enNonasymptotic estimates
dc.subject.enGenetic algorithms
dc.subject.enBoltzmann-Gibbs measures
dc.subject.enMonte Carlo models
dc.subject.enRare events
dc.title.enA nonasymptotic theorem for unnormalized Feynman-Kac particle models
dc.typeArticle de revue
dc.identifier.doi10.1214/10-AIHP358
dc.subject.halMathématiques [math]/Probabilités [math.PR]
bordeaux.journalAnnales de l'Institut Henri Poincaré (B) Probabilités et Statistiques
bordeaux.page629-649
bordeaux.volume47
bordeaux.issue3
bordeaux.peerReviewedoui
hal.identifierhal-00688479
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00688479v1
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