A refinement of Rotfel'd type inequality for partitioned matrices with numerical ranges in a sector (Q5227936)
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scientific article; zbMATH DE number 7089811
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A refinement of Rotfel'd type inequality for partitioned matrices with numerical ranges in a sector |
scientific article; zbMATH DE number 7089811 |
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A refinement of Rotfel'd type inequality for partitioned matrices with numerical ranges in a sector (English)
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7 August 2019
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concave function
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numerical range
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normal matrix
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unitarily invariant norm
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