FURTHER RESULTS ON HILBERT-SCHMIDT NUMERICAL RADIUS INEQUALITIES

Messaoud Guesba

Abstract


"> In this paper, several inequalities involving the Hilbert-Schmidt numerical
radius inequalities for 2 2 operator matrices operators are established. In particular,
we obtain some generalizations and re…nements of earlier inequalities. Some upper and lower bounds for the Hilbert-Schmidt numerical radius inequalities for 2 2 operator matrices operators is also given.

Keywords


Numerical radius, Hilbert-Schmidt, Operator matrix, Inequality.

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