Singular Elliptic Operators of Second Order with Purely Discrete Spectra

DOI10.2307/1998903zbMath0507.35069OpenAlexW4246069335MaRDI QIDQ4744669

Roger T. Lewis

Publication date: 1982

Full work available at URL: https://doi.org/10.2307/1998903

zbMATH Keywords

Dirichlet problemNeumann problemFriedrichs extensionpurely discrete spectrasingular elliptic operators of second order

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) Estimates of eigenvalues in context of PDEs (35P15) Spectrum, resolvent (47A10) Linear symmetric and selfadjoint operators (unbounded) (47B25)

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Cites Work

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• Non-Oscillation Theorems
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