Refinements of lower bounds for polygamma functions

By Feng Qi (祁锋), Bai-Ni Guo (郭白妮). Proceedings of the American Mathematical Society, 2009

53 citations recorded by the source corpus.

. In the paper, some lower bounds for polygamma functions are refined. Moreover, several open problems are posed.

Subfields: Applied Mathematics, Discrete Mathematics and Combinatorics

View Paper: https://www.semanticscholar.org/paper/7872c355a9ced6737db8a485c990db5927198b8b