Affiliation:
1. Department of Mathematics, University of Sistan and Baluchestan, Zahedan, I.R. Iran
Abstract
We present some inequalities related to the Hilbert-Schmidt numerical radius
of 2 x 2 operator matrices. More precisely, we present a formula for the
Hilbert-Schmidt numerical radius of an operator as follows: w2(T) = sup
?2+?2=1 ||?A + ?B||2, where T = A + iB is the Cartesian decomposition of T ? HS(H).
Publisher
National Library of Serbia
Cited by
4 articles.
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