Completeness of the eigen- and associated functions of certain nonregular boundary-value problems for ordinary differential equations

DOI10.1007/BF01078322zbMath0476.34019OpenAlexW2077667907MaRDI QIDQ1160327

S. Ya. Yakubov, Knyaz Sh. Mamedov

Publication date: 1981

Published in: Functional Analysis and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01078322

zbMATH Keywords

Hilbert spacemultiple completeness

Mathematics Subject Classification ID

Nonlinear differential equations in abstract spaces (34G20) Completeness of sets of functions in nontrigonometric harmonic analysis (42C30) Ordinary differential operators (34L99) Boundary value problems for ordinary differential equations (34B99)

Cites Work

• Factorization of a weakly hyperbolic bundle
• On the eigenfunctions and on the eigenvalues of general elliptic boundary value problems
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