Email this article Basis Property of the System of Root Functions of a Classical Spectral Problem with a Multiple Eigenvalue
- Authors: Kapustin N.Y.1
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Affiliations:
- Lomonosov Moscow State University
- Issue: Vol 54, No 10 (2018)
- Pages: 1399-1402
- Section: Short Communications
- URL: https://journal-vniispk.ru/0012-2661/article/view/154861
- DOI: https://doi.org/10.1134/S0012266118100117
- ID: 154861
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Abstract
The problem of describing the biorthogonal system of a classical system of root functions is considered for a loaded string problem with a multiple eigenvalue. The basis property of selected complete and minimal subsystems of the system of root functions in the presence of one or two associated functions is studied.
About the authors
N. Yu. Kapustin
Lomonosov Moscow State University
Author for correspondence.
Email: n.kapustin@bk.ru
Russian Federation, Moscow, 119991
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