Abstract
Properties of continuous solutions of a second order polynomial-like iterated functional equation are given by considering its characteristic. A useful method to discuss the general case is described indeed in this procedure.
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Supported by NSF of China, Sichuan Provincial Youth Sci-Tech Foundation and Math. Grant of CAS
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Matkowski, J., Weinian, Z. Method of characteristic for functional equations in polynomial form. Acta Mathematica Sinica 13, 421–432 (1997). https://doi.org/10.1007/BF02560023
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DOI: https://doi.org/10.1007/BF02560023