The number of integrable-square solutions of products of differential expressions

DOI10.1017/S0308210500019569zbMath0347.34007MaRDI QIDQ4116728

Anton Zettl, W. Norrie Everitt

Publication date: 1977

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

Mathematics Subject Classification ID

General theory of ordinary differential operators (47E05) Linear ordinary differential equations and systems (34A30)

Related Items (3)

On positive differential operators (deficiency indices, factorization, perturbations) ⋮ Survey article: Self-adjoint ordinary differential operators and their spectrum ⋮ Spectral properties of matrix differential equations with nonsmooth coefficients

Cites Work

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• A note on differential equations with all solutions of integrable-square
• Closures and adjoints of linear differential operators
• Spectral operators
• INTEGRABLE-SQUARE SOLUTIONS OF ORDINARY DIFFERENTIAL EQUATIONS
• Generalization of a Theorem of Everitt
• A Vector-Matrix Formulation for Formally Symmetric Ordinary Differential Equations with Applications to Solutions of Integrable Square
• 20.—Deficiency Indices of Polynomials in Symmetric Differential Expressions, II
• THE NUMBER OF INTEGRABLE-SQUARE SOLUTIONS OF ORDINARY DIFFERENTIAL EQUATIONS
• On the Square of a Formally Self-Adjoint Differential Expression
• Some Properties of the Domains of Certain Differential Operators
• On Some Properties of the Powers of a Formally Self-Adjoint Differential Expression
• On Some Properties of the Domains of Powers of Certain Differential Operators

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