On conditions for the multiple expandability of functions in the root elements of a pencil of ordinary differential operators

DOI10.1134/S0012266112080010zbMath1270.34196MaRDI QIDQ1930810

A. I. Vagabov

Publication date: 14 January 2013

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

zbMATH Keywords

Green functionBirkhoff regularity\(n\)-fold eigenfunction expansion

Mathematics Subject Classification ID

Eigenfunctions, eigenfunction expansions, completeness of eigenfunctions of ordinary differential operators (34L10) Green's functions for ordinary differential equations (34B27) Linear boundary value problems for ordinary differential equations with nonlinear dependence on the spectral parameter (34B07) Boundary eigenvalue problems for ordinary differential equations (34B09)

Related Items (2)

\(n\)-fold Fourier series expansion in root functions of a differential pencil with \(n\)-fold multiple characteristic ⋮ Variable separation method in solving multidimensional mixed problems with separable variables

Cites Work

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