Spectrum of a model operator in the perturbation theory of the essential spectrum (Q843830)
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scientific article; zbMATH DE number 5659577
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Spectrum of a model operator in the perturbation theory of the essential spectrum |
scientific article; zbMATH DE number 5659577 |
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Spectrum of a model operator in the perturbation theory of the essential spectrum (English)
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17 January 2010
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creation and annihilation operators
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essential spectrum
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positive operator
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compact operator
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