The deficiency index of a symmetric ordinary differential operator with complex coefficients

DOI10.1016/0022-0396(77)90055-9zbMath0352.34009OpenAlexW2052628879MaRDI QIDQ1235816

Richard C. Gilbert

Publication date: 1977

Published in: Journal of Differential Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0022-0396(77)90055-9

Mathematics Subject Classification ID

General theory of ordinary differential operators (47E05) Linear ordinary differential equations and systems (34A30) Ordinary differential equations in the complex domain (34M99)

Related Items (1)

Reply to Fleming: symmetries, observables, and the occurrence of events

Cites Work

• On the Nature of the Spectrum of Singular Second Order Linear Differential Equations
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