A class of completely monotonic functions involving the polygamma functions

Journal of Inequalities and Applications

Li-Chun Liang¹  Li-Fei Zheng¹  Aying Wan² 

[1] College of Science, Northwest A&F University, 712100, Yangling, Shaanxi, P.R. China;Department of Mathematics, Hulunbeir College, 021008, Hailar, Inner Mongolia, P.R. China;

关键词: Polygamma functions;    Inequalities;    Psi function;    Complete monotonicity;    33B15;    26D07;   

DOI  :  10.1186/s13660-021-02744-2

来源: Springer

【 授权许可】

CC BY