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Approximate symmetries and approximate solutions for a multidimensional Landau-Ginzburg equation. (English) Zbl 0764.35096

MSC:
35Q55 NLS equations (nonlinear Schrödinger equations)
58J70 Invariance and symmetry properties for PDEs on manifolds
35A30 Geometric theory, characteristics, transformations in context of PDEs
Keywords:
Lie symmetries
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