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

页码：1126 / 1140

页数：15

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