Journal of the Chungcheong Mathematical Society (충청수학회지)

The Chungcheong Mathematical Society (충청수학회)
권호 표지

ON STABILITY OF THE ORTHOGONALLY CUBIC TYPE FUNCTIONAL EQUATION

  • Received : 2006.07.24
  • Published : 2006.09.30
Download PDF
⟨ Previous Next ⟩

Abstract

In this article, we establish the stability of the orthogonally cubic type functional equation 2f(x + 2y) + 2f(x - 2y) + 2f(2x)+7[f(x)+f(-x)] = 4f(x)+8[f(x+y)+f(x-y)], $x{\bot}y$ in which ${\bot}$ is the orthogonality in the sense in the R$\ddot{a}$tz.

Keywords