On spectra of quadratic operator pencils with rank one gyroscopic linear part

• Autorzy: Boyko O. , Martynyuk O. , Pivovarchik V.

Identyfikatory

DOI

10.7494/OpMath.20f8.38.4.483

• Języki publikacji: EN

Abstrakty

EN

The spectrum of a selfadjoint quadratic operator pencil of the form [formula] is investigated where M ≥ 0, G ≥ 0 are bounded operators and A is selfadjoint bounded below is investigated. It is shown that in the case of rank one operator G the eigenvalues of such a pencil are of two types. The eigenvalues of one of these types are independent of the operator G. Location of the eigenvalues of both types is described. Examples for the case of the Sturm-Liouville operators A are given. Keywords: q

Słowa kluczowe

EN

quadratic operator pencil; gyroscopic force; eigenvalues; algebraic multiplicity

• Wydawca: AGH University of Science and Technology Press
• Czasopismo: Opuscula Mathematica
• Rocznik: 2018
• Tom: Vol. 38, no. 4
• Strony: 483--500
• Opis fizyczny: Bibliogr, 23 poz.

Twórcy

autor

Boyko O.

• South-Ukrainian National Pedagogical University Staroportofrankovskaya Str. 26, Odesa, 65020, Ukraine

autor

Martynyuk O.

• South-Ukrainian National Pedagogical University Staroportofrankovskaya Str. 26, Odesa, 65020, Ukraine

autor

Pivovarchik V.

• South-Ukrainian National Pedagogical University Staroportofrankovskaya Str. 26, Odesa, 65020, Ukraine

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).