On the Deficiency Indices of Powers of Real 2nth -Order Symmetric Differential Expressions
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Publication:4102146
DOI10.1112/jlms/s2-13.3.543zbMath0335.34007OpenAlexW2093887371MaRDI QIDQ4102146
Publication date: 1976
Published in: Journal of the London Mathematical Society (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1112/jlms/s2-13.3.543
Weyl theory and its generalizations for ordinary differential equations (34B20) Linear symmetric and selfadjoint operators (unbounded) (47B25) General theory of ordinary differential operators (47E05) Linear ordinary differential equations and systems (34A30)
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Real-parameter square-integrable solutions and the spectrum of differential operators ⋮ LIMIT-POINT CRITERIA FOR SYMMETRIC AND J-SYMMETRIC QUASI-DIFFERENTIAL EXPRESSIONS OF EVEN ORDER WITH A POSITIVE DEFINITE LEADING COEFFICIENT ⋮ The spectrum of differential operators and square-integrable solutions ⋮ Survey article: Self-adjoint ordinary differential operators and their spectrum ⋮ PRODUCTS OF DIFFERENTIAL EXPRESSIONS WITHOUT SMOOTHNESS ASSUMPTIONS ⋮ The essential self-adjointness of differential operators ⋮ Limit-point (LP) criteria for real symmetric differential expressions of order 2n ⋮ A LIMIT-POINT CRITERION FOR REAL POLYNOMIALS IN SYMMETRIC QUASI-DIFFERENTIAL EXPRESSIONS OF ARBITRARY ORDER ⋮ A limit-point criterion for 2n-th order symmetric differential expressions ⋮ On the limit-n classification of powers of positive coefficient ordinary differential expressions
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