Some inequalities for the Euclidean operator radius of two operators in Hilbert spaces |
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| Authors: | Sever S Dragomir |
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| Institution: | School of Computer Science and Mathematics, Victoria University, P.O. Box 14428, Melbourne City, Vic. 8001, Australia |
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| Abstract: | Some sharp bounds for the Euclidean operator radius of two bounded linear operators in Hilbert spaces are given. Their connection with Kittaneh’s recent results which provide sharp upper and lower bounds for the numerical radius of linear operators are also established. |
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| Keywords: | 47A12 47A30 47A63 |
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