Physics Letters A · 1978 · 109 citations · 7 references
Natural SciencesPhysicsQuantum MechanicsTheoretical PhysicsEigenvalue ProblemsOperator TheoryQuantum OperatorsSchrödinger EquationSpectral AnalysisSpectral TheoryEigenvalue BoundsLower BoundsOperator InequalitiesOperatorsSpectral Radius
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