Mathematical Inequalities & Applications · Volume 23, Issue 1 A harmonic mean inequality for the polygamma function 23-06 Pages 71-76 DOI 10.7153/mia-2020-23-06 Downloads Short PDF Full PDF PNG Authors Sourav Das Anbhu Swaminathan Keywords polygamma function harmonic mean inequalities monotonicity properties Subject classes 33B15 39B62 26D07
