Czechoslovak Mathematical Journal

, Volume 59, Issue 4, pp 1087–1094 | Cite as

Pexider type operators and their norms in X λ spaces

  • Abbas Najati
  • Themistocles M. Rassias


In this paper, we introduce Pexiderized generalized operators on certain special spaces introduced by Bielecki-Czerwik and investigate their norms.


Pexiderized generalized operator Pexiderized generalized Jensen operator 

MSC 2000

39B52 46L05 47B48 


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    S.-M. Jung: Cubic operator norm on Xλ space. Bull. Korean Math. Soc. 44 (2007), 309–313.MATHMathSciNetCrossRefGoogle Scholar
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    M. S. Moslehian, T. Riedel and A. Saadatpour: Norms of operators in Xλ spaces. Appl. Math. Lett. 20 (2007), 1082–1087.MATHCrossRefMathSciNetGoogle Scholar

Copyright information

© Mathematical Institute, Academy of Sciences of Czech Republic 2009

Authors and Affiliations

  1. 1.Department of Mathematics, Faculty of SciencesUniversity of Mohaghegh ArdabiliArdabilIran
  2. 2.Department of MathematicsNational Technical University of AthensAthensGreece

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