English

Stability of a mixed type quadratic, cubic and quartic functional equation

Functional Analysis 2008-12-30 v2

Abstract

In this paper, we obtain the general solution and the generalized Hyers-Ulam Rassias stability of the functional equation 3(f(x+2y)+f(x2y))=12(f(x+y)+f(xy))+4f(3y)18f(2y)+36f(y)18f(x).3(f(x+2y)+f(x-2y))=12(f(x+y)+f(x-y))+4f(3y)-18f(2y)+36f(y)-18f(x).

Keywords

Cite

@article{arxiv.0812.2939,
  title  = {Stability of a mixed type quadratic, cubic and quartic functional equation},
  author = {M. Eshaghi Gordji and S. Kaboli and S. Zolfaghari},
  journal= {arXiv preprint arXiv:0812.2939},
  year   = {2008}
}
R2 v1 2026-06-21T11:52:26.500Z