Abstract.
In this note we present some theorems characterizing solutions of the equation f(x) = f(φ(x))+g(x), where φ is a solution of Babbage equation φ n (x) = x. Moreover, the stability of this equation, non-stability of Babbage equation and non-stability of the translation equation in a class of functions are proved.
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Received: June 1, 2007. Revised: June 19, 2007.
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Mach, A. On Some Functional Equations Involving Babbage Equation. Result. Math. 51, 97–106 (2007). https://doi.org/10.1007/s00025-007-0261-5
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DOI: https://doi.org/10.1007/s00025-007-0261-5