On the essential spectrum of self-adjoint operators

DOI10.1017/S0308210500012178zbMath0455.47040OpenAlexW2159444324MaRDI QIDQ3903583

B. J. Harris

Publication date: 1980

Published in: Proceedings of the Royal Society of Edinburgh: Section A Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/s0308210500012178

zbMATH Keywords

matrix differential operatorgap in the essential spectrum

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) General theory of ordinary differential operators (47E05)

Cites Work

• The continuous spectrum of differential operators
• Oszillationsmethoden für Systeme gewöhnlicher Differentialgleichungen
• A Characterization of Harmonic Polynomials in the Plane
• 18.—Asymptotic Estimates for the Lengths of the Gaps in the Essential Spectrum of Self-adjoint Differential Operators
• Gaps in the Essential Spectra of Schrödinger and Dirac Operators
• A Systematic Method of Estimating Gaps in the Essential Spectrum of Self-Adjoint Operators

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