New numerical radius inequalities for certain operator matrices

In this paper we prove some upper and lower bounds for the numerical radius of the off-diagonal part of 3 X 3 operator matrices and some bounds for the numerical radius inequalities of the general 3 X 3 operator matrix.

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Bibliographic Details
Main Authors: Bani-Domi,Watheq, Ali Bani-Ahmad,Feras
Language:English
Published: Universidad Católica del Norte, Departamento de Matemáticas 2012
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Online Access:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-09172012000300007
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