ON A UNIFORM FUZZY DIRECT METHOD FOR STABILITY OF FUNCTIONAL EQUATIONS

Nasrin Eghbali

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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