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An extension of the Wong-Zakai theorem for stochastic evolution equations in Hilbert spaces 

Author: Krystyna Twardowska a
Affiliation:   a Institute of Mathematics, Warsaw Technical University, Warsaw, Poland
DOI: 10.1080/07362999208809284
Publication Frequency: 6 issues per year
Published in: journal Stochastic Analysis and Applications, Volume 10, Issue 4 1992 , pages 471 - 500
Formats available: PDF (English)
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Abstract

In this paper we examine an approximation theorem of the Wong-Zakai type for stochastic evolution equations in a Hilbert space with the noise being the generalized derivative of the Wiener process with values in another Hilbert space. As a consequence of the approximation of the Wiener process we get in the limit equation the Ito correction term for the infinite dimensional case. The obtained result includes the case of stochastic delay equations. The uniqueness and existence of solutions are guaranteed by known theorems for the mild solutions
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