International Journal of Mathematics and Mathematical Sciences
Volume 2006 (2006), Issue 12, Article ID 70786, 10 pages
doi:10.1155/IJMMS/2006/70786
  
     
          
          An extension and a refinement of van der Corput's inequality
          
            Jian Cao
            , Da-Wei Niu
             and Feng Qi
          
          Research Institute of Mathematical Inequality Theory, Henan Polytechnic University, Jiaozuo City, Henan Province 454010, China
          
          Abstract
van der Corput's inequality is extended and refined by using Euler-Maclaurin formula and other analytic techniques.