Perturbation of spectra and Krein extensions

DOI10.1007/BF02849392zbMath0083.11302MaRDI QIDQ770590

Philip Hartman

Publication date: 1957

Published in: Rendiconti del Circolo Matemàtico di Palermo. Serie II (Search for Journal in Brave)

zbMATH Keywords

functional analysis, abstract rooms

Related Items (5)

Spectral theory for perturbed Krein Laplacians in nonsmooth domains ⋮ A description of all self-adjoint extensions of the Laplacian and Kreĭn-type resolvent formulas on non-smooth domains ⋮ A Survey on the Krein–von Neumann Extension, the Corresponding Abstract Buckling Problem, and Weyl-type Spectral Asymptotics for Perturbed Krein Laplacians in Nonsmooth Domains ⋮ A convergence theorem for selfadjoint operators applicable to Dirac operators with cutoff potentials ⋮ Infinite networks and variation of conductance functions in discrete Laplacians

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• A Characterization of the Spectra of One-Dimensional Wave Equations
• Separation Theorems for Bounded Hermitian Forms
• On the Spectrum of a Boundary Value Problem with Two Singular Endpoints
• Linear Differential and Difference Equations with Monotone Solutions

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