The known results on comparison of extended mean values are used to compare power means, Stolarsky means and Heron mean. Some proofs of well known results are simplified with several new results obtained.
基金Supported bythe Natural Science Foundation of China(11071069)the Innovation TeamFoundation of the Department of Education of Zhejiang Province(T200924)
基金Supported by the Department of Education of Zhejiang Province(20070509)the Research Project of the Higher Education Teaching Reform in the New Century 2008 Zhejiang(yb08072)
文摘The known results on comparison of extended mean values are used to compare power means, Stolarsky means and Heron mean. Some proofs of well known results are simplified with several new results obtained.