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The Fourier pseudospectral method with a restrain operator for the Korteweg-de Vries equation

Numerical AnalysisRestrain OperatorKorteweg-de Vries EquationFourier AnalysisHigh-frequency ApproximationNonlinear Hyperbolic ProblemFourier Pseudospectral MethodIntegrable SystemNumerical Method For Partial Differential Equation