### On the complexification of the Weierstrass non-differentiable function.

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We study the Julia sets for some periodic meromorphic maps, namely the maps of the form $f\left(z\right)=h\left(exp\frac{2\pi i}{T}z\right)$ where h is a rational function or, equivalently, the maps $\u02dcf\left(z\right)=exp\left(\frac{2\pi i}{h}\left(z\right)\right)$. When the closure of the forward orbits of all critical and asymptotic values is disjoint from the Julia set, then it is hyperbolic and it is possible to construct the Gibbs states on J(˜f) for -α log |˜˜f|. For ˜α = HD(J(˜f)) this state is equivalent to the ˜α-Hausdorff measure or to the ˜α-packing measure provided ˜α is greater or smaller than 1....

This is the first part of the work studying the family $\U0001d509$ of all rational maps of degree three with two superattracting fixed points. We determine the topological type of the moduli space of $\U0001d509$ and give a detailed study of the subfamily ${\mathcal{F}}_{2}$ consisting of maps with a critical point which is periodic of period 2. In particular, we describe a parabolic bifurcation in ${\mathcal{F}}_{2}$ from Newton maps to maps with so-called exotic basins.

This is a continuation of the work [Ba] dealing with the family of all cubic rational maps with two supersinks. We prove the existence of the following parabolic bifurcation of Mandelbrot-like sets in the parameter space of this family. Starting from a Mandelbrot-like set in cubic Newton maps and changing parameters in a continuous way, we construct a path of Mandelbrot-like sets ending in the family of parabolic maps with a fixed point of multiplier 1. Then it bifurcates into two paths of Mandelbrot-like...

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