Lower bounds for the deficiency indices of \(T_ 0(\tau^ +)T_ 0(\tau)\), where \(\tau\) is a linear ordinary differential expression

zbMath0811.47046MaRDI QIDQ1308544

Frank D. Isaacs

Publication date: 14 December 1993

Published in: Differential and Integral Equations (Search for Journal in Brave)

zbMATH Keywords

symmetric operatordeficiency indicesdimensions of its deficiency spacesordinary differential expression with smooth coefficients

Mathematics Subject Classification ID

Linear symmetric and selfadjoint operators (unbounded) (47B25) General theory of ordinary differential operators (47E05) Linear boundary value problems for ordinary differential equations (34B05)

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