ON THE STABILITY OF A QUADRATIC FUNCTIONAL EQUATION IN BANACH MODULES

  • Bae, Jae-Hyeong (Department of Mathematics, Chungnam National University) ;
  • Jung, Yong-Soo (Department of Mathematics, Chungnam National University)
  • Published : 2002.12.01

Abstract

We extend the Hyers-Ulsam-Rassias stability of a quadratic functional equation f(χ+y+z)+f(χ-y)+f(y-Z)+f(χ-z) = 3f(χ)+3f(y)+3f(z) to Banach modules over a Banach algebra.

Keywords

References

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