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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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On subadditive functions and ψ-additive mappings

Open Mathematics, 2003
Matkowski Janusz
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Asymptotic aspect of derivations in Banach algebras. [PDF]

J Inequal Appl, 2017
Roh J, Chang IS.
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Weighted entropies

Open Mathematics, 2010
Ebanks Bruce
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GENERALIZED HYERS-ULAM-RASSIAS TYPE STABILITY OF THE 2k-VARIABLE ADDITIVE FUNCTIONAL INEQUALITIES IN NON-ARCHIMEDEAN BANACH SPACES AND BANACH SPACES

International Journal of Mathematics Trends and Technology, 2021
In this paper we use the direct method to proved two the generalized additive functional inequalities with 2k-variables and their Hyers-Ulam-Rassias stability.
L. An
semanticscholar   +1 more source

The stability of additive-quadratic functional equations in paranormed spaces

, 2015
In this paper, we prove the generalized Hyers-Ulam stability for the following additive-quadratic functional equation f(2x + y)− f(x + 2y) + f(x− y)− f(y − x)− 3f(x) + 3f(y) = 0 in paranormed spaces by using the fixed point method.
Chang Il Kim, C. Kang
semanticscholar   +1 more source