Two optimal double inequalities between power mean and logarithmic mean. - Yu-Ming Chu 001; Wei-feng Xia (Comput. Math. Appl., 2010)

The Schur concavity, Schur multiplicative and harmonic convexities of the second dual form of the Hamy symmetric function with applications. - Yu-Ming Chu 001; Wei-feng Xia; Xiaohui Zhang (J. Multivar. Anal., 2012)