| Autor: |
Klobouk Abel H., Varela Alejandro |
| Jazyk: |
angličtina |
| Rok vydání: |
2017 |
| Předmět: |
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| Zdroj: |
Demonstratio Mathematica, Vol 50, Iss 1, Pp 330-350 (2017) |
| Druh dokumentu: |
article |
| ISSN: |
2391-4661 |
| DOI: |
10.1515/dema-2017-0032 |
| Popis: |
Given a Hermitian matrix M ∈ M3(ℂ) we describe explicitly the real diagonal matrices DM such that ║M + DM║ ≤ ║M + D║ for all real diagonal matrices D ∈ M3(ℂ), where ║ · ║ denotes the operator norm. Moreover, we generalize our techniques to some n × n cases. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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