On discreteness of spectrum of a second order differential operator

DOI10.14232/EJQTDE.2020.1.52zbMATH Open1474.34603OpenAlexW3097001904MaRDI QIDQ5149882

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Publication date: 8 February 2021

Published in: Electronic Journal of Qualitative Theory of Differential Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.14232/ejqtde.2020.1.52

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zbMATH Keywords

second-order differential operatordiscreteness of spectrum

Mathematics Subject Classification ID

General spectral theory of ordinary differential operators (34L05) General theory of ordinary differential operators (47E05) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15)

Related Items (2)

On discreteness of spectrum and positivity of the Green's function for a second order functional-differential operator on semiaxis ⋮ Fredholmness vs. spectral discreteness for first-order differential operators

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