POSITIVE SOLUTIONS OF THE SYSTEM OF OPERATOR EQUATIONS A(1)X = C-1, X A(2) = C-2, A(3) X A(3)* = C-3, AND A(4) X A(4)* = C-4 IN HILBERT C*-MODULES

Eskandari, R; Fang, XC; Moslehian, MS; Xu, QX

Eskandari, R (reprint author), Farhangian Univ, Dept Math, Tehran, Iran.

ELECTRONIC JOURNAL OF LINEAR ALGEBRA, 2018; 34 (): 381

Abstract

Necessary and sufficient conditions are given for the operator system A(1 )X = C-1, X A(2) = C-2, A(3 )X A(3)* = C-3, and A(4) X A(4)* = C-4 to have a......

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