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On the Hyers-Ulam-Rassias stability of a pexiderized quadratic inequality - MaRDI portal

On the Hyers-Ulam-Rassias stability of a pexiderized quadratic inequality (Q2711483)

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On the Hyers-Ulam-Rassias stability of a pexiderized quadratic inequality
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    On the Hyers-Ulam-Rassias stability of a pexiderized quadratic inequality (English)
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    12 December 2001
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    Hyers-Ulam-Rassias stability
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    quadratic functional equation
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    The authors examine the Hyers-Ulam-Rassias stability [see \textit{D. H. Hyers, G. Isac} and \textit{Th. M. Rassias}, Stability of Functional Equations in Several Variables, Birkhäuser, Boston (1998; Zbl 0907.39025); and \textit{Soon-Mo Jung}, Hyers-Ulam-Rassias stability of functional equations in Mathematical Analysis, Hadronic Press, Palm Harbor (2001; Zbl 0980.39024)] of the Pexiderized version of the quadratic functional equation \(f(x+y) + g(x-y) = h(x) + k(y)\) in the spirit of Hyers, Ulam, Rassias and Gǎvruta.
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