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Schur-convexity and Schur-geometrically concavity of Gini means. (English) Zbl 1165.26311
Summary: The Schur-convexity and the Schur-geometric convexity with variables $$x,y\in \mathbb{R}_{++}$$ for fixed $$(s,t)$$ of Gini means $$G(r,s;x,y)$$ are discussed. Some new inequalities are obtained.

##### MSC:
 26B25 Convexity of real functions of several variables, generalizations 26E60 Means
Full Text:
##### References:
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