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  • Research Article
  • Open Access

Euler-Lagrange Type Cubic Operators and Their Norms on Space

Journal of Inequalities and Applications20082008:195137

  • Received: 17 April 2008
  • Accepted: 1 July 2008
  • Published:


We will introduce linear operators and obtain their exact norms defined on the function spaces and . These operators are constructed from the Euler-Lagrange type cubic functional equations and their Pexider versions.


  • Full Article
  • Publisher Note

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Authors’ Affiliations

Department of Mathematics, Faculty of Sciences, University of Mohaghegh Ardabil, P.O. Box 56199-11367, Ardabil, Iran
Department of Mathematics, University of Maragheh, P.O. Box 55181-83111, Maragheh, East Azarbayjan, Iran