Concepedia
Studia Mathematica · 1962 · 54 citations · 0 references
Open access
Natural SciencesPhysicsTheoretical PhysicsEigenvalue ProblemsHilbert Space FormalismOperator TheorySpectral AnalysisSpectral MethodsSpectral TheoryEigenvalue BoundsEigenvalue Spectral AnalysisFredholm TheoryRiesz OperatorsSpectral ApproximationSpectral DecompositionSpectral Theorem