Spectra of 2×2 upper triangular operator matrices with unbounded entries (Q5063655)
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scientific article; zbMATH DE number 7494377
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Spectra of 2×2 upper triangular operator matrices with unbounded entries |
scientific article; zbMATH DE number 7494377 |
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Spectra of 2×2 upper triangular operator matrices with unbounded entries (English)
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21 March 2022
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upper triangular operator matrix
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approximate point spectrum
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essential spectrum
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Hamiltonian operator matrix
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