Results 91 to 100 of about 722 (111)
Approximation of the multiplicatives on random multi-normed space. [PDF]
J Inequal Appl, 2017 Agarwal RP, Saadati R, Salamati A.
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Approximation of the generalized Cauchy-Jensen functional equation in C ∗ -algebras. [PDF]
J Inequal Appl, 2018 Kaskasem P, Klin-Eam C.
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Refined stability of additive and quadratic functional equations in modular spaces. [PDF]
J Inequal Appl, 2017 Kim HM, Shin HY.
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A general theorem on the stability of a class of functional equations including quadratic-additive functional equations. [PDF]
Springerplus, 2016 Lee YH, Jung SM.
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On the Ulam-Hyers stability of a quadratic functional equation
Journal of Inequalities and Applications, 2011 The Ulam-Hyers stability problems of the following quadratic equation r 2 f x + y r + r 2 f x - y r = 2 f ( x ) + 2 f ( y ) , where r is a nonzero rational number, shall be treated.
Park Won-Gil +2 more
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Fuzzy stability of a mixed type functional equation
Journal of Inequalities and Applications, 2011 In this paper, we investigate a fuzzy version of stability for the functional equation f ( x + y + z ) - f ( x + y ) - f ( y + z ) - f ( x + z ) + f ( x ) + f ( y ) + f ( z ) = 0 in the sense of Mirmostafaee and Moslehian.
Jin Sun, Lee Yang-Hi
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Some remarks on the stability of the multi-Jensen equation
Open Mathematics, 2013 Schwaiger Jens
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On Baire measurable solutions of some functional equations
Open Mathematics, 2009 Baron Karol
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On the stability of an AQCQ-functional equation in random normed spaces
Journal of Inequalities and Applications, 2011 In this paper, we prove the Hyers-Ulam stability of the following additive-quadratic-cubic-quartic functional equation f ( x + 2 y ) + f ( x - 2 y ) = 4 f ( x + y ) + 4 f ( x - y ) - 6 f ( x ) (1) + f ( 2 y ) + f
Jang Sun Young +3 more
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Commutativity of set-valued cosine families
Open Mathematics, 2014 Smajdor Andrzej, Smajdor Wilhelmina
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