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KCI등재
학술저널
ON THE STABILITY OF AN ADDITIVE-QUARTIC SET-VALUED FUNCTIONAL EQUATION
- 충청수학회
- Journal of the Chungcheong Mathematical Society
- Volume 32, No. 1
- : KCI등재
- 2019.02
- 127 - 138 (12 pages)
In this paper, I investigate a stability of the following set-valued functional equation f (x + 3y)⊕10f (x + y) ⊕ 7f (−x) ⊕ 5f (x − y) = 5f (x + 2y) ⊕ f (x) ⊕ f (2x) ⊕ f (x − 2y) in the sense of P. Gˇavruta.
1. Introduction
2. Stability of the additive-quartic set-valued functional equation (1.2)