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dc.contributor.author |
Zagorodnyuk, S.M. |
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dc.date.accessioned |
2019-02-11T14:57:30Z |
|
dc.date.available |
2019-02-11T14:57:30Z |
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dc.date.issued |
2011 |
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dc.identifier.citation |
On the Complex Symmetric and Skew-Symmetric Operators with a Simple Spectrum / S.M. Zagorodnyuk // Symmetry, Integrability and Geometry: Methods and Applications. — 2011. — Т. 7. — Бібліогр.: 10 назв. — англ. |
uk_UA |
dc.identifier.issn |
1815-0659 |
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dc.identifier.other |
2010 Mathematics Subject Classification: 44A60 |
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dc.identifier.other |
DOI:10.3842/SIGMA.2011.016 |
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dc.identifier.uri |
http://dspace.nbuv.gov.ua/handle/123456789/146779 |
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dc.description.abstract |
In this paper we obtain necessary and sufficient conditions for a linear bounded operator in a Hilbert space H to have a three-diagonal complex symmetric matrix with non-zero elements on the first sub-diagonal in an orthonormal basis in H. It is shown that a set of all such operators is a proper subset of a set of all complex symmetric operators with a simple spectrum. Similar necessary and sufficient conditions are obtained for a linear bounded operator in H to have a three-diagonal complex skew-symmetric matrix with non-zero elements on the first sub-diagonal in an orthonormal basis in H. |
uk_UA |
dc.description.sponsorship |
The author is grateful to referees for their comments and suggestions. |
uk_UA |
dc.language.iso |
en |
uk_UA |
dc.publisher |
Інститут математики НАН України |
uk_UA |
dc.relation.ispartof |
Symmetry, Integrability and Geometry: Methods and Applications |
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dc.title |
On the Complex Symmetric and Skew-Symmetric Operators with a Simple Spectrum |
uk_UA |
dc.type |
Article |
uk_UA |
dc.status |
published earlier |
uk_UA |
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