Mathematical Inequalities & Applications · Volume 24, Issue 3

Necessary and sufficient conditions for a difference constituted by four derivatives of a function involving trigamma function to be completely monotonic

24-58 Pages 845-855 DOI 10.7153/mia-2021-24-58

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Authors

Feng Qi

Keywords

complete monotonicity necessary and sufficient condition difference derivative trigamma function convolution theorem for the Laplace transforms Bernstein's theorem for completely monotonic functions

Subject classes

33B15 26A48 26A51 26D07 44A10