The stability of a quadratic functional equation with the fixed point alternative.
Park, Choonkil, Kim, Ji-Hye (2009)
Abstract and Applied Analysis
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Displaying similar documents to “Nonlinear stability of a quadratic functional equation with complex involution”
The stability of a quadratic functional equation with the fixed point alternative.
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Solution of a quadratic stability Ulam type problem
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In 1940 S. M. Ulam (Intersci. Publ., Inc., New York 1960) imposed at the University of Wisconsin the problem: “Give conditions in order for a linear mapping near an approximately linear mapping to exist”. According to P. M. Gruber (Trans. Amer. Math. Soc. 245 (1978), 263–277) the afore-mentioned problem of S. M. Ulam belongs to the following general problem or Ulam type problem: “Suppose a mathematical object satisfies a certain property approximately. Is it then possible to approximate...