Characteristic functions of almost soluble expansion of the Hermitian operators
The characteristic operator-functions W(λ) are studied of the almost solvable extensions of an Hermitian operator. The inverse problem is solved, a multiplication theorem is proved, and a formula is derived expressing W(λ) in terms of the Weyl function and the boundary operator. Characteristic funct...
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| Date: | 1992 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | Russian |
| Published: |
Institute of Mathematics, NAS of Ukraine
1992
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| Online Access: | https://umj.imath.kiev.ua/index.php/umj/article/view/7885 |
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| Journal Title: | Ukrains’kyi Matematychnyi Zhurnal |
| Download file: |  |