摘要
The calculation of the bifurcation behavior of one-dimensional maps by Feigenbaum enabled him to discover the important universality and scaling properties. Feigenbaum calculated a particular root of a polynomial of order 2<sup>17</sup> with a Newton’s method coupled with the conjectured scaling relation. Later on, based on the sym-
基金
Project supported by the Science Fund of the Chinese Academy of Sciences and the Natural Science Fund of the Ministry of Education of China.
