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          |  | Volume 8, Issue 1, Article 17 |  |   
          |  |  |  |  |  |  | Geometric Convexity of a Function Involving Gamma Function and Applications to Inequality Theory
 
 
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          |  |  | Authors: | Xiao-Ming Zhang, Tie-Quan Xu, Ling-Bo Situ, |  |   
          |  |  | Keywords: | Gamma function, Geometrically Convex function, Wallis' inequality, Application, Inequality. |  |   
          |  |  | Date Received: | 25/07/06 |  |   
          |  |  | Date Accepted: | 24/02/07 |  |   
          |  |  | Subject Codes: | Pri 33B15, 65R10; Sec 26A48, 26A51, 26D2 |  |   
          |  |  | Editors: | Feng Qi, |  |   
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          |  |  | Abstract: |  In this paper, the geometric convexity of a function involving gamma function is studied, as applications to inequality theory, some important inequalities which improve some known inequalities, including Wallis' inequality, are obtained.
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