STABILITY OF A 4-DIMENSIONAL QUADRATIC FUNCTIONAL EQUATION

  • Lee, Sang-Han (Department of Cultural Studies, Chungbuk Provincial University of Science & Technology)
  • Published : 2004.05.01

Abstract

In this paper we investigate the Hyers-Ulam-Rassias stability of a 4-dimensional quadratic functional equation (equation omitted).

Keywords

References

  1. Bull. Korean Math. Soc. v.38 On the generalized Hyers-Ulam-Rassias stability of a quadratic functional equation J.-H. Bae;K.-W. Jun
  2. Abh. Math. Sem. Univ. Hamburg v.62 On the stability of the quadratic mapping in normed spaces S. Czerwik
  3. Proc. Nat. Acad. Math. Sci. v.27 On the stability of the linear functional equation D. H. Hyers
  4. Aequationes Math. v.44 Approximate homomorphisms D. H. Hyers;Th. M. Rassias
  5. Math. Inequal. & Appl. v.4 On the Hyers- Ulam-Rassias stability of a pexiderized quadratic inequality K.-W. Jun;Y.-H. Lee
  6. Abh. Math. Sem. Univ. Hamburg v.69 On the stability of the quadratic functional equation on bounded dimains S.-M. Jung;B. Kim
  7. Internat. J. Math. & Math. Sci v.24 Quadratic functional equations of Pezider type S.-M. Jung
  8. Internat. J. Math. & Math. Sci. v.25 On the stability of the quadratic mapping in normed spaces G. H. Kim
  9. Korean J. Comput. & Appi. Math. v.9 Stability of a quadratic Jensen type functional equation S. H. Lee
  10. Bull. Korean Math. Soc. v.40 Hyers- Ulam-Rassios stability of a quadratic type functional equation S. H. Lee;K.-W. Jun
  11. J. Math. Anal. AppI. v.238 A generalization of the Hyers- Ulam-Rassias stability of Jensen's equation Y.-H. Lee;K.-W. Jun
  12. Proc. Amer. Math. Soc. v.72 On the stability of the linear mapping in Banach spaces Th. M. Rassias
  13. Rend. Sem. Mat. Fis. Milano v.53 Local properties and approximations of operators F. Skof
  14. Bull. Korean Math. Soc. v.40 Hyers- Ulam-Rassias stability of a quadratic functional equation T. Trif
  15. Problems in Modern Mathematics S. M. Ulam