On a class of composite functional equations in a single variable |
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Authors: | P Kahlig A Matkowska J Matkowski |
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Institution: | (1) Institute of Meteorology and Geophysics, University of Vienna, Hohe Warte 38, A-1190 Vienna, Austria;(2) Department of Mathematics, Technical University, Willowa 2, PL-43-309 Bielsko-Biala, Poland |
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Abstract: | Summary We prove a general result on continuous functions of the typef: (0, ) (0, ) which satisfy the functional equationf(xf(x)]p) = (f(x))p + 1, wherep is an arbitrary fixed real number. Applying this result we determine all continuous solutionsf: 0, ) 0, ) forp > 0, as well as all the continuous solutionsf: for a positive integerp.
Forp = 1 this equation is relevant to a division model of population. |
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Keywords: | 39B12 |
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