Mathematische Zeitschrift · 1973 · 30 citations · 3 references
Natural SciencesPhysicsQuantum MechanicsConvergence AnalysisHilbert Space FormalismOperator TheoryQuantum OperatorsSpectral TheoryWeak ConvergenceConvergenceNon-self-adjoint OperatorsPerturbation Theory Of OperatorsSelf-adjoint OperatorsSturm - Liouville TheorySturm-liouville Theory
3
Symmetric transformations in Hilbert space
J. W. Calkin · Duke Mathematical Journal · 1940 · 31 citations