New aspects of Krein`s extension theory
The extension problem for closed symmetric operators with a gap is studied. A new kind of parametrization of extensions (the so-called Krein model) is developed. The notion of a singular operator plays the key role in our approach. We give the explicit description of extensions and establish the spe...
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| Datum: | 1994 |
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| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | English |
| Veröffentlicht: |
Інститут математики НАН України
1994
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| Schriftenreihe: | Український математичний журнал |
| Schlagworte: | |
| Online Zugang: | http://dspace.nbuv.gov.ua/handle/123456789/152533 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | New aspects of Krein`s extension theory / J.F. Brasche, V. Koshmanenko, H. Neidhardt // Український математичний журнал. — 1994. — Т. 46, № 1-2. — С. 37–54. — Бібліогр.: 45 назв. — англ. |