CORRECT SINGULAR PERTURBATIONS OF THE LAPLACE OPERATOR

DOI10.32523/2077-9879-2020-11-4-25-34zbMath1474.35067arXiv1906.09123OpenAlexW3117864242MaRDI QIDQ4963449

Gulnara K. Abdrasheva, Dimitry Leonidovich Svistunov, Bazarkan N. Biyarov

Publication date: 18 February 2021

Published in: Eurasian Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1906.09123

zbMATH Keywords

system of eigenvectorsmaximal (minimal) operatorcorrect extensioncorrect restrictionsingular perturbation of an operator

Mathematics Subject Classification ID

Singular perturbations in context of PDEs (35B25) Perturbation theory of linear operators (47A55)

Related Items (2)

DETERMINATION OF DENSITY OF ELLIPTIC POTENTIAL ⋮ Non self-adjoint well-defined restrictions and extensions with real spectrum

Cites Work

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• Common operator properties of the linear operators 𝑅𝑆 and 𝑆𝑅
• Singular perturbations of Laplace operator and their resolvents
• LAGRANGE FORMULA FOR DIFFERENTIAL OPERATORS AND SELF-ADJOINT RESTRICTIONS OF THE MAXIMAL OPERATOR ON A TREE
• On general boundary problems for elliptic differential equations

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