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A FIXED POINT APPROACH TO THE STABILITY OF THE MIXED TYPE FUNCTIONAL EQUATION

  • Jin, Sun-Sook (Department of Mathematics Education, Gongju National University of Education) ;
  • Lee, Yang-Hi (Department of Mathematics Education, Gongju National University of Education)
  • Received : 2011.10.26
  • Accepted : 2011.11.22
  • Published : 2012.03.25

Abstract

In this paper, we investigate the stability of a functional equation f(x+y+z)-f(x+y)-f(y+z)-f(x+z)+f(x)+f(y)+f(z) = 0 by using the fixed point theory in the sense of L. Cadariu and V. Radu.

Keywords

References

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  2. On the Generalized Hyers-Ulam Stability of ann-Dimensional Quadratic and Additive Type Functional Equation vol.2014, 2014, https://doi.org/10.1155/2014/184680