Complete monotonicity of a function involving the gamma function and applications

Published 22 Apr 2011 in math.CA | (1104.4442v1)

Abstract: In the article we present necessary and sufficient conditions for a function involving the logarithm of the gamma function to be completely monotonic and apply these results to bound the gamma function $\Gamma(x)$, the $n$-th harmonic number $\sum_{k=1}^n\frac1k$, and the factorial $n!$.

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Feng Qi

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