SOME BOUNDS FOR THE k-GENERALIZED DIGAMMA FUNCTION

被引：0
|
作者：
Moustafa, Hesham [1 ]
Mahmoud, Mansour [2 ]
Talat, Ahmed [3 ]
机构：
[1] Mansoura Univ, Math Dept, Mansoura 35516, Egypt
[2] King Abdulaziz Univ, Math Dept, POB 80203, Jeddah 21589, Saudi Arabia
[3] Port Said Univ, Math & Comp Sci Dept, Port Said, Egypt
来源：
COMMUNICATIONS FACULTY OF SCIENCES UNIVERSITY OF ANKARA-SERIES A1 MATHEMATICS AND STATISTICS | 2023年 / 72卷 / 04期
关键词：
Gamma function; digamma function; polygamma function; completely monotonic function; asymptotic expansion; inequalities; MONOTONICITY; GAMMA;
D O I：
10.31801/cfsuasmas.1230703
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We presented some monotonicity properties for the k-generalized digamma function psi k(h) and we established some new bounds for psi(s) k (h), s is an element of N boolean OR {0}, which refine recent results.
引用
收藏
页码：1126 / 1140
页数：15
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