Browsing Department of Mathematics by Subject "Generalized derivation, inner derivation, norms, normalized maximal numerical range, S - universal operators"
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Norms of Derivations Implemented by S-Universal Operators
(International Journal of Mathematical Analysis, 2011)Let H be a complex Hilbert space and B(H) the algebra of all bounded linear operators on H. For A, B ∈ B(H), we define inner derivations implemented by A,B respectively on B(H) by ΔA(X) = AX−XA, ΔB(X) = BX−XB and a ...