Title of article
A new upper bound in the second Kershawʹs double inequality and its generalizations
Author/Authors
Qi ، نويسنده , , Feng and Guo، نويسنده , , Senlin and Chen، نويسنده , , Shou-Xin، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2008
Pages
8
From page
111
To page
118
Abstract
In the paper, a new upper bound in the second Kershawʹs double inequality involving ratio of gamma functions is established, and, as generalizations of the second Kershawʹs double inequality, the divided differences of the psi and polygamma functions are bounded.
Keywords
Generalization , EXTENSION , Logarithmical , Generalized logarithmic mean , Ratio of gamma functions , Kershawיs double inequality , Divided difference , Completely monotonic function , Polygamma function , refinement , Upper bound , Psi function , Identric mean , Exponential mean
Journal title
Journal of Computational and Applied Mathematics
Serial Year
2008
Journal title
Journal of Computational and Applied Mathematics
Record number
1554543
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