Рекурсия П. Л. Чебышева: некоторые аналитические и вычислительные аспекты
We study different algebraic and algorithmic constructions related to both an inner product on the space of polynomials defined on the real axis and the unit circle, and the Chebyshev procedure. The modern variant of the Chebyshev recursion ((m)−T-recursion) is applied to check whether Hankel and To...
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| Veröffentlicht in: | Український математичний журнал |
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| Datum: | 1993 |
| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | Russian |
| Veröffentlicht: |
Інститут математики НАН України
1993
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| Schlagworte: | |
| Online Zugang: | https://nasplib.isofts.kiev.ua/handle/123456789/155578 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | Рекурсия П. Л. Чебышева: некоторые аналитические и вычислительные аспекты / С.А. Корж, И.Е. Овчаренко, Р.А. Угриновский // Український математичний журнал. — 1993. — Т. 45, № 5. — С. 626–646. — Бібліогр.: 22 назв. — рос. |
Institution
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Zusammenfassung: | We study different algebraic and algorithmic constructions related to both an inner product on the space of polynomials defined on the real axis and the unit circle, and the Chebyshev procedure. The modern variant of the Chebyshev recursion ((m)−T-recursion) is applied to check whether Hankel and Toeplitz quadratic forms are positive definite, to determine the number of real (complex conjugate) roots of a polynomial and to localize them, to find bounds on values of a function on a given set. We also consider the relation between (m)−T-recun>ion and the method of moments in the study of Schrodinger operator with the potential of a special class.
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| ISSN: | 1027-3190 |