Non self-adjoint quasi-differential operators with discrete spectra

DOI10.1216/RMJM/1181072204zbMath0881.47024OpenAlexW2014021073MaRDI QIDQ1912633

Sobhy El-Sayed Ibrahim

Publication date: 10 June 1996

Published in: Rocky Mountain Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1216/rmjm/1181072204

zbMATH Keywords

resolventweight functionspectral propertiesHilbert-Schmidt integral operatorsregularly solvable operatorsminimal operatorsgeneral ordinary quasi-differential expressionwell-posed operators

Mathematics Subject Classification ID

One-parameter semigroups and linear evolution equations (47D06) General spectral theory of ordinary differential operators (34L05) General theory of ordinary differential operators (47E05) Spectral sets of linear operators (47A25)

Related Items (2)

On $$L_w^2 $$ -quasi-derivatives for solutions of perturbed general quasi-differential equations ⋮ On the essential spectra of regularly solvable operators in the direct sum spaces

Cites Work

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• Adjoint boundary value problems for compactified singular differential operators
• Regularly solvable extensions of non-self-adjoint ordinary differential operators
• Boundary conditions for general ordinary differential operators and their adjoints
• Some Remarks on Linear Ordinary Quasi-Differential Expressions
• On general boundary problems for elliptic differential equations
• Adjointness in Nonadjoint Boundary Value Problems
• Square Integrable Solutions of Ly = f(t, y)
• Weighted Singular Differential Operators in the Limit-Circle Case
• INTEGRABLE-SQUARE SOLUTIONS OF ORDINARY DIFFERENTIAL EQUATIONS (III)

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