Journal of Differential Equations · 1999 · 53 citations · 0 references
Natural SciencesPhysicsQuantum MechanicsTheoretical PhysicsBoundary ConditionsOperator TheoryQuantum OperatorsSchrödinger EquationSpectral AnalysisSpectral TheoryEigenfunction ExpansionsNonlinear Schrödinger EquationNonlinear Spectral ProblemsOperator PencilsSingularitiesSturm - Liouville TheorySturm-liouville TheoryWavefunction Solutions