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http://dx.doi.org/10.7468/jksmeb.2019.26.4.247

ON THE HYERS-ULAM-RASSIAS STABILITY OF AN ADDITIVE-CUBIC-QUARTIC FUNCTIONAL EQUATION  

Lee, Yang-Hi (Department of Mathematics Education, Gongju National University of Education)
Publication Information
The Pure and Applied Mathematics / v.26, no.4, 2019 , pp. 247-254 More about this Journal
Abstract
In this paper, we investigate Hyers-Ulam-Rassias stability of the functional equation f(x + ky) - k2f(x + y) + 2(k2 - 1)f(x) - k2f(x - y) + f(x - ky) - k2(k2 - 1)(f(y) + f(-y)) = 0, where k is a fixed real number with |k| ≠ 0, 1.
Keywords
stability of a functional equation; additive-cubic-quartic functional equation; additive-cubic-quartic mapping;
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