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http://dx.doi.org/10.14403/jcms.2014.27.1.123

FUZZY STABILITY FOR A CLASS OF QUADRATIC FUNCTIONAL EQUATIONS  

Han, Giljun (Department of Mathematics Education Dankook University)
Publication Information
Journal of the Chungcheong Mathematical Society / v.27, no.1, 2014 , pp. 123-132 More about this Journal
Abstract
In this paper, we investigate the following form of a certain class of quadratic functional equations and its fuzzy stability. $$f(kx+y)+f(kx-y)=f(x+y)+f(x-y)-2(1-k^2)f(x)$$ where k is a fixed rational number with $k{\neq}1$, -1, 0.
Keywords
fuzzy normed space; quadratic functional equation; fuzzy stability;
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