Stochastic integration in UMD Banach spaces

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dc.creatorvan Neerven, J. M. A. M.
dc.creatorVeraar, M. C.
dc.creatorWeis, L.
dc.date2006-10-20
dc.date2007-08-13
dc.date.accessioned2026-07-07T08:24:49Z
dc.date.available2026-07-07T08:24:49Z
dc.descriptionIn this paper we construct a theory of stochastic integration of processes with values in $\mathcal{L}(H,E)$, where $H$ is a separable Hilbert space and $E$ is a UMD Banach space (i.e., a space in which martingale differences are unconditional). The integrator is an $H$-cylindrical Brownian motion. Our approach is based on a two-sided $L^p$-decoupling inequality for UMD spaces due to Garling, which is combined with the theory of stochastic integration of $\mathcal{L}(H,E)$-valued functions introduced recently by two of the authors. We obtain various characterizations of the stochastic integral and prove versions of the Itô isometry, the Burkholder--Davis--Gundy inequalities, and the representation theorem for Brownian martingales.
dc.descriptionPublished at http://dx.doi.org/10.1214/009117906000001006 in the Annals of Probability (http://www.imstat.org/aop/) by the Institute of Mathematical Statistics (http://www.imstat.org)
dc.identifierhttps://arxiv.org/abs/math/0610619
dc.identifierhttp://arxiv.org/abs/math/0610619
dc.identifierAnnals of Probability 2007, Vol. 35, No. 4, 1438-1478
dc.identifierdoi:10.1214/009117906000001006
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/136474
dc.subjectProbability
dc.subjectFunctional Analysis
dc.subject60H05 (Primary); 28C20, 60B11 (Secondary)
dc.titleStochastic integration in UMD Banach spaces
dc.typetext

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