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Journal of Convex Analysis 14 (2007), No. 1, 103--108
Copyright Heldermann Verlag 2007



An Effective Characterization of Schur-Convex Functions with Applications

Czeslaw Stepniak
Institute of Mathematics, University of Rzeszˇw, Al. Rejtana 16 A, 35-310 Rzeszˇw, Poland
cees@univ.rzeszow.pl



An effective necessary and sufficient condition for S-convexity is presented and applications are given.

Keywords: S-convex function, majorization.

MSC: 15A51; 26B25, 26D15

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