A Systematic Method of Estimating Gaps in the Essential Spectrum of Self-Adjoint Operators

DOI10.1112/JLMS/S2-18.1.115zbMath0408.47036OpenAlexW2064450900MaRDI QIDQ4195471

B. J. Harris

Publication date: 1978

Published in: Journal of the London Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1112/jlms/s2-18.1.115

zbMATH Keywords

Self-Adjoint OperatorsEssential SpectrumOrdinary Differential OperatorSingular SequenceGaps in the Essential Spectrum

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Linear symmetric and selfadjoint operators (unbounded) (47B25) General theory of ordinary differential operators (47E05) Ordinary differential operators (34L99)

Related Items (1)

On the essential spectrum of self-adjoint operators

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