نتایج جستجو برای: m additive functional equation

تعداد نتایج: 1361976  

Journal: :Int. J. Math. Mathematical Sciences 2011
Sun Sook Jin Yang-Hi Lee

A classical question in the theory of functional equations is “when is it true that a mapping, which approximately satisfies a functional equation, must be somehow close to an exact solution of the equation?” Such a problem, called a stability problem of the functional equation, was formulated by Ulam 1 in 1940. In the next year, Hyers 2 gave a partial solution of Ulam’s problem for the case of...

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2010
M. Mohamadi Y. J. Cho C. Park P. Vetro R. Saadati Jong Kim

1 Department of Mathematics, Islamic Azad University-Ayatollah Amoli Branch, Amol, P.O. Box 678, Iran 2 Department of Mathematics Education and the RINS, Gyeongsang National University, Chinju 660-701, South Korea 3 Department of Mathematics, Research Institute for Natural Sciences, Hanyang University, Seoul 133-791, South Korea 4 Dipartimento di Matematica ed Applicazioni, Università degli Stu...

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Journal: :Bulletin of the Korean Mathematical Society 2010

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Journal: :Journal of the Chungcheong Mathematical Society 2013

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Journal: :Journal of Mathematical Analysis and Applications 2008

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Journal: :TURKISH JOURNAL OF MATHEMATICS 2019

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Journal: :Journal of Mathematical Inequalities 2020

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Journal: :Journal of Inequalities and Applications 2013

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Journal: :Journal of Computational Mathematica 2017

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Journal: :Al-Qadisiyah Journal Of Pure Science 2019

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