Singular perturbations of finite rank. Point spectrum (Q4396220)
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scientific article; zbMATH DE number 1165546
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Singular perturbations of finite rank. Point spectrum |
scientific article; zbMATH DE number 1165546 |
Statements
Singular perturbations of finite rank. Point spectrum (English)
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14 June 1998
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singular perturbation
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point spectrum
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Krein resolvent formula
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selfadjoint positive definite operator
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differential operator
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operator of multiplication
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