Convexities Of Some Functions Involving The Polygamma Functions

被引：0
|
作者：
Cao, Jian [1 ]
Niu, Da-Wei [2 ]
Qi, Feng [3 ]
机构：
[1] East China Normal Univ, Dept Math, Shanghai 200241, Peoples R China
[2] Zhongyuan Univ Technol, Coll Informat & Business, Zhengzhou 450007, Henan, Peoples R China
[3] Henan Polytech Univ, Res Inst Math Inequal Theory, Jiaozuo City 454010, Henan, Peoples R China
来源：
APPLIED MATHEMATICS E-NOTES | 2008年 / 8卷
关键词：
D O I：
暂无
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this short note, the convexity and concavity of two functions related to the polygamma functions are discussed.
引用
收藏
页码：53 / 57
页数：5
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