Relations for the spectrum of a 3 × 3 block operator matrix (Q5006863)
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scientific article; zbMATH DE number 7382732
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Relations for the spectrum of a 3 × 3 block operator matrix |
scientific article; zbMATH DE number 7382732 |
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Relations for the spectrum of a 3 × 3 block operator matrix (English)
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17 August 2021
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block operator matrix
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spin-boson model
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Fock space
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cut subspace
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annihilation and creation operators
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essential point and discrete spectrum
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