Journal of Inequalities and Applications 2012, 2012:12 

doi:10.1186/1029-242X-2012-12

New proofs of Schur-concavity for a class of symmetric functions

Huan-Nan Shi , Jian Zhang,  Chun Gu

Abstract. By properties of the Schur-convex function, Schur-concavity for a

class of symmetric functions is simply proved uniform.

2000 Mathematics Subject Classi¯cation: Primary 26D15; 05E05; 26B25.

Keywords: majorization; Schur-concavity; inequality; symmetric functions;
concave functions

New proofs of Schur-concavity for a class of symmetric functions .pdf

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