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A variational principle for coupled nonlinear Schrödinger equations with variable coefficients and high nonlinearity. (English) Zbl 1219.65146
Summary: Via He’s semi-inverse method, a variational principle is established for coupled nonlinear Schrödinger equations with variable coefficients and high nonlinearity. The result includes previously known ones as special cases.
MSC:
65N99Numerical methods for BVP of PDE
35Q55NLS-like (nonlinear Schrödinger) equations
35A15Variational methods (PDE)
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