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- W2417154778 abstract "We consider a finite dimensional approximation of the stochastic nonlinear Schrodinger equation driven by multiplicative noise, which is derived by applying a symplectic method to the original equation in spatial direction. Both the unique ergodicity and the charge conservation law for this finite dimensional approximation are obtained on the unit sphere. To simulate the ergodic limit over long time for the finite dimensional approximation, we discretize it further in temporal direction to obtain a fully discrete scheme, which inherits not only the stochastic multi-symplecticity and charge conservation law of the original equation but also the unique ergodicity of the finite dimensional approximation. The temporal average of the fully discrete numerical solution is proved to converge to the ergodic limit with order one with respect to the time step for a fixed spatial step. Numerical experiments verify our theoretical results on charge conservation, ergodicity and weak convergence." @default.
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- W2417154778 date "2016-06-05" @default.
- W2417154778 modified "2023-10-16" @default.
- W2417154778 title "Numerical Analysis on Ergodic Limit of Approximations for Stochastic NLS Equation via Multi-symplectic Scheme" @default.
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- W2417154778 doi "https://doi.org/10.48550/arxiv.1606.01510" @default.
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