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We prove strong statistical stability of a large class of one-dimensional maps which may have an arbitrary finite number of discontinuities and of non-degenerate critical points and/or singular points with infinite derivative, and satisfy…

Dynamical Systems · Mathematics 2023-02-21 Jose F. Alves , Dalmi Gama , Stefano Luzzatto

We show that Thurston's skinning maps of Teichmuller space have finite fibers. The proof centers around a study of two subvarieties of the SL_2(C) character variety of a surface, one associated to complex projective structures and the other…

Geometric Topology · Mathematics 2015-06-29 David Dumas

Let f: P^1 \to P^1 be a rational map with finite postcritical set P_f. Thurston showed that f induces a holomorphic map \sigma_f of the Teichmueller space T modelled on P_f to itself fixing the basepoint corresponding to the identity map…

Dynamical Systems · Mathematics 2011-05-10 Xavier Buff , Adam Epstein , Sarah Koch , Kevin Pilgrim

An orientation-preserving branched covering map $f\colon S^2 \to S^2$ is called a critically fixed Thurston map if $f$ fixes each of its critical points. It was recently shown that there is an explicit one-to-one correspondence between…

Dynamical Systems · Mathematics 2026-01-28 Mikhail Hlushchanka , Nikolai Prochorov

We introduce a generalization of the McMullen family $f_{\lambda}(z)=z^n+\lambda/z^d$. In 1988, C. McMullen showed that the Julia set of $f_{\lambda}$ is a Cantor set of circles if and only if $1/n+1/d<1$ and the simple critical values of…

Dynamical Systems · Mathematics 2014-03-12 Antonio Garijo , Sébastien Godillon

Motivated by a uniform boundedness conjecture of Morton and Silverman, we study the graphs of pre-periodic points for maps in three families of dynamical systems, namely the collections of rational functions of degree two having a periodic…

Dynamical Systems · Mathematics 2024-04-02 Tyler Dunaisky , David Krumm

In this paper a class of linear maps on the 2-torus and some planar piecewise isometries are discussed. For these discontinuous maps, by introducing codings underlying the map operations, symbolic descriptions of the dynamics and…

Chaotic Dynamics · Physics 2007-05-23 Xin-Chu Fu , Peter Ashwin

Lorenz maps are maps of the unit interval with one critical point of order rho>1, and a discontinuity at that point. They appear as return maps of leafs of sections of the geometric Lorenz flow. We construct real a priori bounds for…

Dynamical Systems · Mathematics 2016-11-17 Denis Gaidashev

In this paper, we study CTP maps, that is, marked rational maps with constant Thurston pullback mapping. We prove that all the regular or mixing CTP polynomials satisfy McMullen's condition. Additionally, we construct a new class of…

Dynamical Systems · Mathematics 2025-07-08 Guizhen Cui , Yiran Wang

A Thurston map $f\colon (S^2, A) \to (S^2, A)$ with marking set $A$ induces a pullback relation on isotopy classes of Jordan curves in $(S^2, A)$. If every curve lands in a finite list of possible curve classes after iterating this pullback…

Dynamical Systems · Mathematics 2024-01-31 Zachary Smith

In this article, we study acylindrical graphs of groups, local quasiconvexity, and Cannon-Thurston maps in the setting of totally disconnected locally compact (TDLC) hyperbolic groups, extending several fundamental notions and results from…

Group Theory · Mathematics 2026-01-28 Swarnali Datta , Arunava Mandal , Ravi Tomar

Mating is an operation to construct a rational map f from two polynomials, which are not in conjugate limbs of the Mandelbrot set. When the Thurston Algorithm for the unmodified formal mating is iterated in the case of postcritical…

Dynamical Systems · Mathematics 2017-06-14 Wolf Jung

In the Teichm\"uller space of a hyperbolic surface of finite type, we construct geodesic lines for Thurston's asymmetric metric having the property that when they are traversed in the reverse direction, they are also geodesic lines (up to…

Geometric Topology · Mathematics 2010-01-14 Athanase Papadopoulos , Guillaume Théret

We suggest a way to associate to a rational map of the Riemann sphere a three dimensional object called a hyperbolic orbifold 3-lamination. The relation of this object to the map is analogous to the relation of a hyperbolic 3-manifold to a…

Dynamical Systems · Mathematics 2016-09-06 Mikhail Lyubich , Yair Minsky

We consider rational maps $f$ on the Riemann sphere $\widehat {\mathbb{C}}$ with an $f$-invariant set $P\subset \widehat {\mathbb{C}}$ of four marked points containing the postcritical set of $f$. We show that the dynamics of the…

Dynamical Systems · Mathematics 2024-11-04 Mario Bonk , Mikhail Hlushchanka , Russell Lodge

We consider infinitely renormalizable Lorenz maps with real critical exponent $\alpha>1$ and combinatorial type which is monotone and satisfies a long return condition. For these combinatorial types we prove the existence of periodic points…

Dynamical Systems · Mathematics 2015-06-05 Marco Martens , Björn Winckler

We study a class of one-dimensional full branch maps admitting two indifferent fixed points as well as critical points and/or unbounded derivative. Under some mild assumptions we prove the existence of a unique invariant mixing absolutely…

Dynamical Systems · Mathematics 2024-05-28 Douglas Coates , Stefano Luzzatto , Muhammad Mubarak

In this work, we obtain an a-posteriori theorem for the existence of partly hyperbolic invariant tori in analytic Hamiltonian systems: autonomous, periodic, and quasi-periodic. The method of proof is based on the convergence of a KAM…

Dynamical Systems · Mathematics 2025-08-19 Álvaro Fernández-Mora , Alex Haro , Josep-Maria Mondelo

In this paper, we prove that a postcritically finite rational map with non-empty Fatou set is Thurstion equivalent to an expanding Thurston map if and only if its Julia set is homeomorphic to the standard Sierpinski carpet

Dynamical Systems · Mathematics 2015-12-01 Yan Gao , Jinsong Zeng , Suo Zhao

We obtain an analog of the prime number theorem for a class of branched covering maps on the $2$-sphere $S^2$ called expanding Thurston maps, which are topological models of some non-uniformly expanding rational maps without any smoothness…

Dynamical Systems · Mathematics 2024-12-31 Zhiqiang Li , Tianyi Zheng