A class of completely monotonic functions involving the polygamma functions

DOI10.1186/s13660-021-02744-2zbMath1506.33002OpenAlexW4205774431MaRDI QIDQ2129097

Li-Fei Zheng, Li-Chun Liang, A-ying Wan

Publication date: 22 April 2022

Published in: Journal of Inequalities and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1186/s13660-021-02744-2

zbMATH Keywords

inequalitiespsi functioncomplete monotonicitypolygamma functions

Mathematics Subject Classification ID

Gamma, beta and polygamma functions (33B15) Inequalities for sums, series and integrals (26D15) Convexity of real functions in one variable, generalizations (26A51) Monotonic functions, generalizations (26A48) Inequalities involving other types of functions (26D07)

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