Feng Qi, Bai-Ni Guo
Published 2009-03-11Version 1
In the paper, some lower bounds for polygamma functions are refined.
Comments: 8 pages
Journal: Bai-Ni Guo and Feng Qi, Refinements of lower bounds for polygamma functions, Proceedings of the American Mathematical Society 141 (2013), no. 3, 1007--1015
Inequalities for the inverses of the polygamma functions
A note on additivity of polygamma functions
Some properties of the psi and polygamma functions
![QR code for arXiv:0903.1996 [math.CA]](http://oss.arxitics.com/images/favicon.svg)