Abstract
In the article, established are necessary and sufficient conditions such that the extended mean values are Schur-convex and Schur-concave.
Citation
Yuming Chu. Xiaoming Zhang. "Necessary and sufficient conditions such that extended mean values are Schur-convex or Schur-concave." J. Math. Kyoto Univ. 48 (1) 229 - 238, 2008. https://doi.org/10.1215/kjm/1250280982
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