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ON THE STABILITY OF AN AQCQ-FUNCTIONAL EQUATION
- Authors
- Park, Choonkil; Jo, Sung Woo; Kho, Dong Yeong
- Issue Date
- Dec-2009
- Publisher
- 충청수학회
- Keywords
- Banach space; generalized Hyers-Ulam stability; additivequadratic-cubic-quartic functional equation
- Citation
- 충청수학회지, v.22, no.4, pp 757 - 770
- Pages
- 14
- Indexed
- KCI
- Journal Title
- 충청수학회지
- Volume
- 22
- Number
- 4
- Start Page
- 757
- End Page
- 770
- ISSN
- 1226-3524
2383-6245
- Abstract
- In this paper, we prove the generalized Hyers-Ulam stability of the following additive-quadratic-cubic-quartic functional equation f(x + 2y) + f(x − 2y) = 4f(x + y) + 4f(x − y) −6f(x) + f(2y) + f(−2y) − 4f(y) − 4f(−y) in Banach spaces.
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