A harmonic mean inequality for the digamma function and related results

DOI10.4171/RSMUP/137-10zbMath1366.33003OpenAlexW2613287586WikidataQ56018960 ScholiaQ56018960MaRDI QIDQ2360066

Horst Alzer, G. J. O. Jameson

Publication date: 23 June 2017

Published in: Rendiconti del Seminario Matematico della Università di Padova (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4171/rsmup/137-10

zbMATH Keywords

concavityinequalitiesdigamma functionharmonic meanEuler's constant

Mathematics Subject Classification ID

Gamma, beta and polygamma functions (33B15) Functional inequalities, including subadditivity, convexity, etc. (39B62) Best constants in approximation theory (41A44)

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