On the Convergence of Stochastic Integrals Driven by Processes Converging on account of a Homogenization Property

Antoine Lejay (INRIA Lorraine)


We study the limit of functionals of stochastic processes for which an homogenization result holds. All these functionals involve stochastic integrals. Among them, we consider more particularly the Levy area and those giving the solutions of some SDEs. The main question is to know whether or not the limit of the stochastic integrals is equal to the stochastic integral of the limit of each of its terms. In fact, the answer may be negative, especially in presence of a highly oscillating first-order differential term. This provides us some counterexamples to the theory of good sequence of semimartingales.

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Pages: 1-18

Publication Date: September 19, 2002

DOI: 10.1214/EJP.v7-117


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