Spectra of 2 x 2 upper triangular operator matrices (Q5279631)
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scientific article; zbMATH DE number 6749995
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Spectra of 2 x 2 upper triangular operator matrices |
scientific article; zbMATH DE number 6749995 |
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Spectra of 2 x 2 upper triangular operator matrices (English)
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19 July 2017
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spectrum
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perturbation theory
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\(2\times2\) upper triangular operator matrix
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