ON A UNIFORM FUZZY DIRECT METHOD FOR STABILITY OF FUNCTIONAL EQUATIONS
Abstract
In this paper we stablish the uniform fuzzy direct method for stability of the equation in a single variable of the form
f(x)=af(h(x))+bf(-h(x))
with some conditions imposed on the constants a,b and the function h on a nonempty set X.
Keywords
stability, approximation, orthogonal additivity, fuzzy normed spaces.
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