Best approximation of a nonnormal operator in the trace norm (Q1111146)
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scientific article; zbMATH DE number 4075886
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Best approximation of a nonnormal operator in the trace norm |
scientific article; zbMATH DE number 4075886 |
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Best approximation of a nonnormal operator in the trace norm (English)
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1988
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The author derives conditions under which a nonnormal operator has a unique positive approximant in trace norm. The author utilizes a result of \textit{T. Ando} [Linear Algebra Appl. 71, 15-21 (1985; Zbl 0577.41016)].
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conditions under which a nonnormal operator has a unique positive approximant in trace norm
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