Operators and Matrices · Volume 17, Issue 3

Some inequalities related to numerical radius and distance from scalar operators in Hilbert spaces

17-57 Pages 857-866 DOI 10.7153/oam-2023-17-57

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Authors

Mohamed Chraibi Kaadoud El Hassan Benabdi Messaoud Guesba

Keywords

numerical radius positive operator normaloid

Subject classes

47A05 47A55 47B15