On monotone solutions and a self-adjoint spectral problem for a functional-differential equation of even order

Alves, Manuel Joaquim and Labovskiy, Sergey M.: On monotone solutions and a self-adjoint spectral problem for a functional-differential equation of even order. Electronic journal of qualitative theory of differential equations 59. pp. 1-14. (2019)

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Abstract

For a self-adjoint boundary value problem for a functional-differential equation of even order, the basis property of the system of eigenfunctions and the equivalence of such statements as the positivity of the corresponding quadratic functional, the Jacobi condition and the positivity of the Green function are established.

Item Type: Article
Journal or Publication Title: Electronic journal of qualitative theory of differential equations
Date: 2019
Number: 59
Page Range: pp. 1-14
ISSN: 1417-3875
DOI: https://doi.org/10.14232/ejqtde.2019.1.59
Uncontrolled Keywords: Differenciálegyenlet - határérték probléma
Additional Information: Bibliogr.: 14. p. ; összefoglalás angol nyelven
Date Deposited: 2019. Sep. 30. 09:58
Last Modified: 2019. Sep. 30. 09:58
URI: http://acta.bibl.u-szeged.hu/id/eprint/62283

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