Paper Title:

A Double Inequality for Divided Differences and Some Identities of the Psi and Polygamma Functions

Author(s):

B. N. Guo and F. Qi

School of Mathematics and Informatics, Henan Polytechnic University, Jiaozuo City, Henan Province, 454010, China
bai.ni.guo@gmail.com, bai.ni.guo@hotmail.com

School of Research Institute of Mathematical Inequality Theory, Henan Polytechnic University, Jiaozuo City, Henan Province, 454010, China
qifeng618@gmail.com, qifeng618@hotmail.com, qifeng618@qq.com
URL:http://qifeng618.spaces.live.com

Abstract:

In this short note, from the logarithmically completely monotonic property of the function , a double inequality for the divided differences and some identities of the psi and polygamma functions are presented.

Full Text PDF: