A complete monotonicity property of the gamma function

被引:144
作者
Qi, F [1 ]
Chen, CP [1 ]
机构
[1] Jiaozuo Inst Technol, Dept Appl Math & Informat, Henan 454000, Peoples R China
基金
美国国家科学基金会;
关键词
gamma function; psi function; logarithmically completely monotonic function;
D O I
10.1016/j.jmaa.2004.04.026
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
A logarithmically completely monotonic function is completely monotonic. The function 1 - lnx +1/x ln Gamma(x + 1) is strictly completely monotonic on (0, infinity). The function (x)rootGamma(x+1)/x is strictly logarithmically completely monotonic on (0, infinity). (C) 2004 Elsevier Inc. All rights reserved.
引用
收藏
页码:603 / 607
页数:5
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