Lower bounds for the spectrum of ordinary differential operators

DOI10.1016/0022-0396(83)90062-1zbMath0573.34020OpenAlexW2031454882MaRDI QIDQ1063162

Man Kam Kwong, W. Desmond Evans, Anton Zettl

Publication date: 1983

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

Full work available at URL: https://doi.org/10.1016/0022-0396(83)90062-1

zbMATH Keywords

Friedrich's extensionlinear differential equations of even order

Mathematics Subject Classification ID

General theory of ordinary differential operators (47E05) Ordinary differential operators (34L99)

Related Items

Oscillation criteria and the discreteness of the spectrum of self-adjoint, even order, differential operators, A WEIGHTED HARDY'S INEQUALITY AND NONOSCILLATORY DIFFERENTIAL EQUATIONS, On the spectrum of a class of differential operators and embedding theorems, Real-parameter square-integrable solutions and the spectrum of differential operators, The spectrum of differential operators and square-integrable solutions, Survey article: Self-adjoint ordinary differential operators and their spectrum, The invariance of essential spectra of Balslev-Gamelin-Fashian differential operators in the scale of Lebesgue spaces, Generalized Zeros and Nonpositivity of Energy Functionals Associated with Half-Linear Even-Order Difference Equations, Discrete spectra criteria for certain classes of singular differential and difference operators

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