On some inequalities for the gamma and psi functions

Alzer, Horst

doi:10.1090/S0025-5718-97-00807-7

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ISSN 1088-6842(online) ISSN 0025-5718(print)

On some inequalities for the
gamma and psi functions

Author: Horst Alzer
Journal: Math. Comp. 66 (1997), 373-389
MSC (1991): Primary 33B15; Secondary 26D07
MathSciNet review: 1388887
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Abstract | References | Similar Articles | Additional Information

Abstract: We present new inequalities for the gamma and psi functions, and we provide new classes of completely monotonic, star-shaped, and super-additive functions which are related to $\Gamma$ and $\psi$ .

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