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Integrable systems of derivative nonlinear Schrödinger type and their multi-Hamiltonian structure. (English) Zbl 0970.37054


MSC:

37K10 Completely integrable infinite-dimensional Hamiltonian and Lagrangian systems, integration methods, integrability tests, integrable hierarchies (KdV, KP, Toda, etc.)
35Q55 NLS equations (nonlinear Schrödinger equations)
35G25 Initial value problems for nonlinear higher-order PDEs
35Q51 Soliton equations
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