On the deficiency index of second-order matrix differential operators

DOI10.1070/RM1997V052N06ABEH002186zbMath0933.34030OpenAlexW2085655889MaRDI QIDQ4232043

V. P. Serebryakov

Publication date: 29 March 2000

Published in: Russian Mathematical Surveys (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1070/rm1997v052n06abeh002186

zbMATH Keywords

deficiency indexminimal closed symmetric operatorsecond-order matrix differential operators

Mathematics Subject Classification ID

Transformation and reduction of ordinary differential equations and systems, normal forms (34C20) Weyl theory and its generalizations for ordinary differential equations (34B20) Linear symmetric and selfadjoint operators (unbounded) (47B25) General theory of ordinary differential operators (47E05)

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