International Journal of Functional Analysis, Operator Theory and Applications
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Abstract: For with the generalized Muirhead mean values
are defined as In this paper, we prove that is Schur multiplicatively convex
with respect to if and only if and Schur multiplicatively concave
with respect to if and only if
Keywords and phrases: generalized Muirhead mean values, Schur convex, Schur multiplicatively convex.
