Ela Upper Bounds on Certain Functionals Defined on Groups of Linear Operators∗
نویسندگان
چکیده
The problem of estimating certain functionals defined on a group of linear operators generating a group induced cone (GIC) ordering is studied. A result of Berman and Plemmons [Math. Inequal. Appl., 2(1):149–152, 1998] is extended from the sum function to Schur-convex functions. It is shown that the problem has a closed connection with both Schur type inequality and weak group majorization. Some applications are given for matrices.
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تاریخ انتشار 2006