On the Russo-Dye Theorem for positive linear maps
| Affiliation auteurs | Affiliation ok |
| Titre | On the Russo-Dye Theorem for positive linear maps |
| Type de publication | Journal Article |
| Year of Publication | 2019 |
| Auteurs | Bourin J-C, Lee E-Y |
| Journal | LINEAR ALGEBRA AND ITS APPLICATIONS |
| Volume | 571 |
| Pagination | 92-102 |
| Date Published | JUN 15 |
| Type of Article | Article |
| ISSN | 0024-3795 |
| Mots-clés | Matrix geometric mean, matrix inequalities, Positive linear maps, unitary orbits |
| Résumé | We revisit a classical result, the Russo-Dye Theorem, stating that every positive linear map attains its norm at the identity. (C) 2019 Elsevier Inc. All rights reserved. |
| DOI | 10.1016/j.laa.2019.02.017 |