Spectral exactness and spectral inclusion for singular left-definite Sturm-Liouville problems

DOI10.1007/BF03323384zbMath1063.34022MaRDI QIDQ1888677

Anton Zettl, Marco Marlettta

Publication date: 26 November 2004

Published in: Results in Mathematics (Search for Journal in Brave)

zbMATH Keywords

left-definite problemsspectral approximationssingular Sturm-Liouville equations

Mathematics Subject Classification ID

Sturm-Liouville theory (34B24) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15)

Cites Work

• A Krein space approach to symmetric ordinary differential operators with an indefinite weigth function
• Asymptotics of eigencurves for second order ordinary differential equations. I
• Computing eigenvalues of singular Sturm-Liouville problems
• Singular left-definite Sturm--Liouville problems
• Approximation of isolated eigenvalues of general singular ordinary differential operators
• Regular approximations of singular Sturm-Liouville problems
• Eigenvalue Problems on Infinite Intervals
• Sturm-Liouville operators with an indefinite weight function
• Indefinite Sturm–Liouville problems
• Eigencurves for Two-Parameter Sturm-Liouville Equations
• Left-definite Sturm-Liouville problems
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