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- W3135434554 abstract "In this paper we consider multi-dimensional Partial Differential Equations (PDE) of parabolic type in divergence form. The coefficient matrix of the divergence operator is assumed to be discontinuous along some smooth interface. At this interface, the solution of the PDE presents a compatibility transmission condition of its co-normal derivatives (multi-dimensional diffraction problem). We prove an existence and uniqueness result for the solution and study its properties. In particular, we provide new estimates for the partial derivatives of the solution in the classical sense. We then construct a low complexity numerical Monte Carlo stochastic Euler scheme to approximate the solution of the PDE of interest. Using the afore mentioned estimates, we prove a convergence rate for our stochastic numerical method when the initial condition belongs to some iterated domain of the divergence form operator. Finally, we compare our results to classical deterministic numerical approximations and illustrate the accuracy of our method." @default.
- W3135434554 created "2021-03-15" @default.
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- W3135434554 date "2021-10-01" @default.
- W3135434554 modified "2023-10-16" @default.
- W3135434554 title "A transformed stochastic Euler scheme for multidimensional transmission PDE" @default.
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- W3135434554 doi "https://doi.org/10.1016/j.cam.2021.113551" @default.
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