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Title: SPDEs with polynomial growth coefficients and the Malliavin calculus method
Authors: Zhang, Qi
Zhao, Huaizhong
Keywords: SPDEs
Weak solutions
Malliavin derivative
Wiener-Sobolev compactness
Stochastic differential equations
Issue Date: 2013
Publisher: © Elsevier B.V.
Citation: ZHANG, Q. and ZHAO, H.-Z., 2013. SPDEs with polynomial growth coefficients and the Malliavin calculus method. Stochastic Processes and their Applications, 123 (6), pp. 2228-2271.
Abstract: In this paper we study the existence and uniqueness of the Lρ2p( ;)×Lρ2(;) valued solutions of backward doubly stochastic differential equations (BDSDEs) with polynomial growth coefficients using weak convergence, equivalence of norm principle and Wiener-Sobolev compactness arguments. Then we establish a new probabilistic representation of the weak solutions of SPDEs with polynomial growth coefficients through the solutions of the corresponding BDSDEs. This probabilistic representation is then used to prove the existence of stationary solutions of SPDEs on via infinite horizon BDSDEs. The convergence of the solution of a finite horizon BDSDE, when its terminal time tends to infinity, to the solution of the infinite horizon BDSDE is shown to be equivalent to the convergence of the pull-back of the solution of corresponding SPDE to its stationary solution. This way we obtain the stability of the stationary solution naturally.
Description: NOTICE: this is the author’s version of a work that was accepted for publication in Stochastic Processes and their Applications. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published at http://dx.doi.org/10.1016/j.spa.2013.02.004.
Sponsor: QZ is partially supported by the National Natural Science Foundation of China with grant no. 11101090, the Specialized Research Fund for the Doctoral Program of Higher Education of China with grant no. 20090071120002 and the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry.
Version: Accepted for publication
DOI: 10.1016/j.spa.2013.02.004
URI: https://dspace.lboro.ac.uk/2134/15255
Publisher Link: http://dx.doi.org/10.1016/j.spa.2013.02.004
ISSN: 0304-4149
Appears in Collections:Published Articles (Maths)

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