Appendix A - University of Wisconsin–Madison

Communications in Mathematical Physics, Vol. 50, page 69 (1976). Although somewhat technical, this article describes one of the first thoroughly studied examples of a chaotic, two-dimensional quadratic map. Hofstadter, D. R. Godel, Escher, Bach: An Eternal Golden Braid (New York: Vintage, 1980). Dealing with, among other things, self-similarity ... ................
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