Journal of Mathematical Inequalities · Volume 16, Issue 2

Some refinements of numerical radius inequalities for 2 × 2 operator matrices

16-31 Pages 425-444 DOI 10.7153/jmi-2022-16-31

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Authors

Hongwei Qiao Guojun Hai Eburilitu Bai

Keywords

numerical radius inequality operator norm operator matrix

Subject classes

47A05 47A12 47A30