Norm inequalities for submultiplicative functions involving contraction sector $2 \times 2$ block matrices
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AbstractIn this article, we show unitarily invariant norm inequalities for sector $2\times 2$ 2 × 2 block matrices which extend and refine some recent results of Bourahli, Hirzallah, and Kittaneh (Positivity, 2020, 10.1007/s11117-020-00770-w).
2016 ◽
Vol 27
(02)
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pp. 1650008
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1999 ◽
Vol 42
(1)
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pp. 87-96
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