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- W2111058857 abstract "We consider for the integration of coupled nonlinear Schrödinger equations with periodic plane wave solutions a splitting method from the class of symplectic integrators and the multi-symplectic six-point scheme which is equivalent to the Preissman scheme. The numerical experiments show that both methods preserve very well the mass, energy and momentum in long-time evolution. The local errors in the energy are computed according to the discretizations in time and space for both methods. Due to its local nature, the multi-symplectic six-point scheme preserves the local invariants more accurately than the symplectic splitting method, but the global errors for conservation laws are almost the same." @default.
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- W2111058857 date "2007-10-01" @default.
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- W2111058857 title "Symplectic and multi-symplectic methods for coupled nonlinear Schrödinger equations with periodic solutions" @default.
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- W2111058857 doi "https://doi.org/10.1016/j.cpc.2007.05.010" @default.
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