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  • Research Article
  • Open Access

Upper bounds for the eigenvalues of differential equations

Journal of Inequalities and Applications20062006:48606

  • Received: 10 February 2004
  • Accepted: 4 May 2004
  • Published:


We establish upper bounds for the eigenvalues of second-order and fourth-order differential equations. The inequalities are obtained via rearrangements of higher degree.


  • Differential Equation


Authors’ Affiliations

Department of Mathematics and Statistics, Sultan Qaboos University, P.O. Box 36, Al-Khod, Muscat, 123, Oman


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© Hindawi Publishing Corporation. 2006

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