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  Volume 9, Issue 1, Article 17
 
Refinements and Sharpenings of Some Double Inequalities for Bounding the Gamma Function

    Authors: Bai-Ni Guo, Ying-Jie Zhang, Feng Qi,  
    Keywords: Inequality, Refinement, Sharpening, Generalization, Kečlić-Vasić-Alzer's double inequalities.  
    Date Received: 21/05/2007  
    Date Accepted: 22/01/2008  
    Subject Codes:

Pri: 33B15; Sec: 26D07.

 
    Editors: Pietro Cerone,  
 
    Abstract:

In this paper, some sharp inequalities for bounding the gamma function $ Gamma(x)$ and the ratio of two gamma functions are established. From these, several known results are recovered, refined, extended and generalized simply and elegantly.

         
       
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