Complete monotonicity and logarithmically complete monotonicity properties for the gamma and psi functions

被引:22
作者
Chen, Chao-Ping [1 ]
机构
[1] Henan Polytech Univ, Coll Math & Informat, Henan 454010, Peoples R China
关键词
gamma function; psi function; complete monotonicity; logarithmically complete monotonicity;
D O I
10.1016/j.jmaa.2007.03.028
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We present some complete monotonicity and logarithmically complete monotonicity properties for the gamma and psi functions. This extends some known results due to S.-L. Qiu. and M. Vuorinen. (c) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码:812 / 822
页数:11
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