Computing a Solution of Feigenbaum's Functional Equation in Polynomial
TimeArticle
Authors: Peter Hertling ; Christoph Spandl
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Peter Hertling;Christoph Spandl
Lanford has shown that Feigenbaum's functional equation has an analytic
solution. We show that this solution is a polynomial time computable function.
This implies in particular that the so-called first Feigenbaum constant is a
polynomial time computable real number.