HUR-approximation of an ELTA functional equation
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The main goal of this paper is study of the Hyers-Ulam-Rassias stability (briefly HUR-approximation) of the following Euler-Lagrange type additive(briefly ELTA) functional equation ?nj=1f (1/2 ?1?i?n,i?j rixi- 1/2 rjxj) + ?ni=1 rif(xi)=nf (1/2 ?ni=1 rixi) where r1,..., rn ? R, ?ni=k rk?0, and ri,rj?0 for some 1? i < j ? n, in fuzzy normed spaces. The concept of HUR-approximation originated from Th. M. Rassias stability theorem that appeared in his paper: On the stability of the linear mapping in Banach spaces, Proc. Amer. Math. Soc. 72 (1978), 297-300.
2009 ◽
Vol 3
(1)
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pp. 39-45
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2016 ◽
Vol 100
(114)
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pp. 163-181
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On the Stability of an -Variables Functional Equation in Random Normed Spaces via Fixed Point Method
2012 ◽
Vol 2012
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pp. 1-13
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2011 ◽
Vol 9
(2)
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pp. 205-215
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