P. E. Kloeden, S. Shott, "Linear-implicit strong schemes for Itô-Galkerin approximations of stochastic PDE
Linear-implicit strong schemes for Itô-Galkerin approximations of stochastic PDE
Linear-implicit versions of strong Taylor numerical schemes for finite dimensional Itô stochastic differential equations (SDEs) are shown to have the same order as the original scheme. The combined truncation and global discretization error of an strong linear-implicit Taylor scheme with time-step applied to the dimensional Itô-Galerkin SDE for a class of parabolic stochastic partial differential equation (SPDE) with a strongly monotone linear operator with eigenvalues in its drift term is then estimated by where the constant depends on the initial value, bounds on the other coefficients in the SPDE and the length of the time interval under consideration.
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