Approximate Quadratic-Additive Mappings in Fuzzy Normed Spaces
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We examine the generalized Hyers-Ulam stability of the following functional equation:2fx+y+z+w+f-x-y+z+w+f-x+y-z+w+f-x+y+z-w+fx-y-z+w+fx-y+z-w+fx+y-z-w-5fx-3f-x-5fy-3f-y-5fz-3f-z-5fw-3f-w=0,in the fuzzy normed spaces with the fixed point method.
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2012 ◽
Vol 25
(2)
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pp. 201-215
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2018 ◽
Vol 5
(3)
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pp. 140-145
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2012 ◽
Vol 19
(1)
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pp. 59-71
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2013 ◽
Vol 373-375
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pp. 1881-1884