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          Volume 8, Issue 3, Article 88 | 
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             On an Inequality of V. Csiszár and T.F. Móri for Concave Functions of Two Variables
 
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          Authors:  | 
          Boidar Ivanković, Saichi Izumino, Josip E. Pecaric, Masaru Tominaga,  | 
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          Keywords: 
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          Diaz-Metcalf inequality, Hölder's inequality, Hadamard's inequality, Petrović's inequality, Giaccardi's inequality. | 
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          Date Received: 
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          27/09/06 | 
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          Date Accepted: 
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          21/04/07 | 
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          Subject Codes: | 
           
             26D15. 
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          Editors:  | 
          Iosif Pinelis,   | 
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          Abstract: | 
           
              V. Csiszár and T.F. Móri gave an extension of Diaz-Metcalf's inequality for concave functions. In this paper, we show its restatement. As its applications we first give a reverse inequality of Hölder's inequality. Next we consider two variable versions of Hadamard, Petrović and Giaccardi inequalities.
             
          
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