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Zbl 1221.39037
Jin, Sun Sook; Lee, Yang-Hi
Fuzzy stability of a functional equation deriving from quadratic and additive mappings. (English)
[J] Abstr. Appl. Anal. 2011, Article ID 534120, 15 p. (2011). ISSN 1085-3375; ISSN 1687-0409/e

Summary: We investigate a fuzzy version of stability for the functional equation $f(2x + y) + f(2x - y) + 2f(x) - f(x + y) - f(x - y) - 2f(2x) = 0$ in the sense of {\it A. K. Mirmostafaee} and {\it M. S. Moslehian} [Fuzzy Sets Syst. 159, No.~6, 720--729 (2008; Zbl 1178.46075)].

MSC 2000:: *39B82 Stability, separation, extension, and related topics
39B72 Functional inequalities involving unknown functions

Citations: Zbl 1178.46075

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