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Trudy Instituta Matematiki i Mekhaniki UrO RAN, 2019, Volume 25, Number 1, Pages 136–149
DOI: https://doi.org/10.21538/0134-4889-2019-25-1-136-149
(Mi timm1606)
 

This article is cited in 4 scientific papers (total in 4 papers)

Asymptotics of the spectrum of a periodic boundary value problem for a differential operator with a summable potential

S. I. Mitrokhin

Lomonosov Moscow State University, Research Computing Center
Full-text PDF (330 kB) Citations (4)
References:
Abstract: The spectrum of a differential operator of a high odd order with summable potential is studied. The boundary conditions are periodic. The differential equation that defines the differential operator is reduced to the Volterra integral equation. Solving this equation by Picard's method of successive approximations, we find the asymptotics of the fundamental system of solutions of the original differential equation. This fundamental system of solutions is used for the study of periodic boundary conditions. As a result, an equation for the eigenvalues of the differential operator is derived. This equation is a determinant of high order, which is an entire function of the spectral parameter. The indicator diagram corresponding to this function is investigated. The indicator diagram is a regular polygon and determines the location of the eigenvalues of the operator under consideration. As a result, the asymptotic behavior of the eigenvalues of the operator is found in each of the sectors of the complex plane determined by the indicator diagram (of 15th order).
Keywords: spectral parameter, differential operator, summable potential, periodic boundary conditions, asymptotics of solutions of a differential equation, asymptotics of the spectrum.
Received: 18.09.2018
Revised: 05.11.2018
Accepted: 12.11.2018
Bibliographic databases:
Document Type: Article
UDC: 517.977
MSC: 47F05, 47A10
Language: Russian
Citation: S. I. Mitrokhin, “Asymptotics of the spectrum of a periodic boundary value problem for a differential operator with a summable potential”, Trudy Inst. Mat. i Mekh. UrO RAN, 25, no. 1, 2019, 136–149
Citation in format AMSBIB
\Bibitem{Mit19}
\by S.~I.~Mitrokhin
\paper Asymptotics of the spectrum of a periodic boundary value problem for a differential operator with a summable potential
\serial Trudy Inst. Mat. i Mekh. UrO RAN
\yr 2019
\vol 25
\issue 1
\pages 136--149
\mathnet{http://mi.mathnet.ru/timm1606}
\crossref{https://doi.org/10.21538/0134-4889-2019-25-1-136-149}
\elib{https://elibrary.ru/item.asp?id=37051099}
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  • https://www.mathnet.ru/eng/timm/v25/i1/p136
  • This publication is cited in the following 4 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Trudy Instituta Matematiki i Mekhaniki UrO RAN
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    Abstract page:260
    Full-text PDF :66
    References:43
    First page:9
     
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