학술저널
ON THE STABILITY OF THE QUADRATIC-ADDITIVE FUNCTIONAL EQUATION IN RANDOM NORMED SPACES VIA FIXED POINT METHOD
- 충청수학회
- Journal of the Chungcheong Mathematical Society
- Volume 25, No. 2
-
2012.05201 - 215 (15 pages)
- 2
In this paper, we prove the stability in random normedspaces via ¯xed point method for the functional equation f(x + y + z + w) + 2f(x) + 2f(y) + 2f(z) + 2f(w) - f(x + y)-f(x + z) - f(x + w) -f(y + z) - f(y + w) - f(z + w) = 0:
1. Introduction
2. Preliminaries
3. On the stability of the quadratic-additive functional equa-tion in RN-spaces
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