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On the spectral properties of \(L_{\pm }\) in three dimensions. (English) Zbl 1232.35106


MSC:

35P15 Estimates of eigenvalues in context of PDEs
35P30 Nonlinear eigenvalue problems and nonlinear spectral theory for PDEs
35P25 Scattering theory for PDEs
35Q55 NLS equations (nonlinear Schrödinger equations)
81Q05 Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics
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