Abstract
We consider a multidimensional Wiener process with a semipermeable membrane located on a given hyperplane. The paths of this process are the solutions of a stochastic differential equation, which can be regarded as a generalization of the well-known Skorokhod equation for a diffusion process in a bounded domain with boundary conditions on the boundary. We randomly change the time in this process by using an additive functional of the local-time type. As a result, we obtain a probabilistic representation for solutions of one problem of mathematical physics.
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Portenko, N.I. A Probabilistic Representation for the Solution of One Problem of Mathematical Physics. Ukrainian Mathematical Journal 52, 1457–1469 (2000). https://doi.org/10.1023/A:1010388321016
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DOI: https://doi.org/10.1023/A:1010388321016