Positive linear maps on normal matrices
| Autor: | Bourin, Jean-Christophe, Lee, Eun-Young |
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| Rok vydání: | 2020 |
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| Zdroj: | Internat. J. Math. 29 (2018), no. 12 |
| Druh dokumentu: | Working Paper |
| Popis: | For a positive linear map F and a normal matrix N, we show that |F(N)| is bounded by some simple linear combinations in the unitary orbit of F(|N|). Several elegant sharp inequalities are derived, especially for the Schur product. |
| Databáze: | arXiv |
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