CUBIC-QUARTIC FUNCTIONAL EQUATIONS IN FUZZY NORMED SPACES
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نویسنده
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GHOBADIPOUR N. ,PARK CHOONKIL
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منبع
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international journal of nonlinear analysis and applications - 2010 - دوره : 1 - شماره : 1 - صفحه:12 -21
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چکیده
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In this paper, we investigate the generalized hyers–ulam stability of the functional equation 4(f(3x + y) + f(3x − y)) = −12(f(x + y) + f(x − y)) + 12(f(2x + y) + f(2x − y)) − 8f(y) − 192f(x) + f(2y) + 30f (2x). in fuzzy normed spaces..
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کلیدواژه
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Fuzzy normed space; cubic functional equation; quartic functional equation; generalized Hyers–Ulam stability.
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آدرس
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urmia university, Department of Mathematics, ایران, Hanyang University, Department of Mathematics, Korea
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پست الکترونیکی
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baak@hanyang.ac.kr
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