[PDF][PDF] Some generalizations of numerical radius on off-diagonal part of 2× 2 operator matrices

M Hajmohamadi, R Lashkaripour, M Bakherad - J. Math. Inequal, 2018 - files.ele-math.com
J. Math. Inequal, 2018files.ele-math.com
… In this paper, we establish some generalizations of inequalities that is based on the off-diagonal
parts of 2×2 operator matrices. We also show some inequalities involving powers of the
numerical radius for the off-diagonal parts of 2×2 operator matrices. 2. Main results …
Abstract
We generalize several inequalities involving powers of the numerical radius for offdiagonal part of 2× 2 operator matrices of the form T=
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