Parabolic limits of renormalization
Benjamin Hinkle
Abstract
In this paper we give a combinatorial description of the renormlization limits of infinitely renormalizable unimodal maps with essentially bounded combinatorics admitting quadratic-like complex extensions. As an application we construct a natural analogue of the period-doubling fixed point. Dynamical hairiness is also proven for maps in this class. These results are proven by analyzing parabolic towers: sequences of maps related either by renormalization or by parabolic renormalization.
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