Spectral inclusion by the quadratic numerical range of 2 x 2 operator matrices with unbounded entries (Q5864818)
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scientific article; zbMATH DE number 7539774
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Spectral inclusion by the quadratic numerical range of 2 x 2 operator matrices with unbounded entries |
scientific article; zbMATH DE number 7539774 |
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Spectral inclusion by the quadratic numerical range of 2 x 2 operator matrices with unbounded entries (English)
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10 June 2022
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operator matrix
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quadratic numerical range
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spectral inclusion
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