A fourth order limit-3 expression with nonempty essential spectrum

DOI10.1017/S0308210500018370zbMath0624.34016OpenAlexW2324931917MaRDI QIDQ3762642

Bernd Schultze

Publication date: 1987

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/s0308210500018370

zbMATH Keywords

spectrumlimit-point casereal symmetric differential expressions

Mathematics Subject Classification ID

Ordinary differential operators (34L99)

Related Items (4)

A Class of Singular Self-Adjoint Ordinary Differential Operators with Maximal Spectrum ⋮ On the deficiency index of even order symmetric differential expressions with essential spectrum ⋮ Spectral analysis of fourth order differential operators III ⋮ Spectral analysis of fourth order differential operators II

Cites Work

• Extension theory of differential operators I
• Odd-order differential expressions with positive supporting coefficients
• Asymptotic methods for fourth-order differential equations
• On the limit-n Classification of Ordinary Differential Operators with Positive Coefficients
• A construction of symmetric differential expressions with non-empty essential spectrum

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