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On joint numerical radius II |
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| Authors: | Roman Drnovšek Vladimir Müller |
| Affiliation: | 1. Department of Mathematics, Faculty of Mathematics and Physics, University of Ljubljana, Ljubljana, Slovenia.roman.drnovsek@fmf.uni-lj.si;3. Mathematical Institute AV ?R, Praha, Czech Republic. |
| Abstract: | |
| Keywords: | joint numerical range numerical radius |