Further inequalities for the $\mathbb{A}$-numerical radius of certain $2 \times 2$ operator matrices

DOI10.1515/GMJ-2022-2204zbMath1523.47010arXiv2006.09312MaRDI QIDQ6343053

Satyajit Sahoo, Kais Feki

Publication date: 16 June 2020

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Numerical range, numerical radius (47A12) Positive linear operators and order-bounded operators (47B65) Operator matrices (47A08)

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