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Related papers: Renormalization of bi-cubic circle maps

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In this paper we generalize renormalization theory for analytic critical circle maps with a cubic critical point to the case of maps with an arbitrary odd critical exponent by proving a quasiconformal rigidity statement for renormalizations…

Dynamical Systems · Mathematics 2016-12-26 Michael Yampolsky

A general ansatz in Renormalization Theory, already established in many important situations, states that exponential convergence of renormalization orbits implies that topological conjugacies are actually smooth (when restricted to the…

Dynamical Systems · Mathematics 2022-03-09 Gabriela Estevez , Pablo Guarino

In this paper we give a new prove of hyperbolicity of renormalization of critical circle maps using the formalism of almost-commuting pairs. We extend renormalization to two-dimensional dissipative maps of the annulus which are small…

Dynamical Systems · Mathematics 2019-11-13 Denis Gaidashev , Michael Yampolsky

There is a well developed renormalization theory of real analytic critical circle maps by de Faria, de Melo, and Yampolsky. In this paper, we extend Yampolsky's result on hyperbolicity of renormalization periodic points to a larger class of…

Dynamical Systems · Mathematics 2026-02-09 Willie Rush Lim

We define an analytic setting for renormalization of unimodal maps with an arbitrary critical exponent. We prove the global Hyperbolicity of Renormalization conjecture for unimodal maps of bounded type with a critical exponent which is…

Dynamical Systems · Mathematics 2017-04-18 Igors Gorbovickis , Michael Yampolsky

We construct a renormalization operator which acts on analytic circle maps whose critical exponent $\alpha$ is not necessarily an odd integer $2n+1$, $n\in\mathbb N$. When $\alpha=2n+1$, our definition generalizes cylinder renormalization…

Dynamical Systems · Mathematics 2017-04-18 Igors Gorbovickis , Michael Yampolsky

We construct a hyperbolic attractor of renormalization of bi-cubic circle maps with bounded combinatorics, with a codimension-two stable foliation.

Dynamical Systems · Mathematics 2023-04-10 Gabriela Estevez , Michael Yampolsky

In this paper we build a geometric model for the renormalisation of irrationally indifferent fixed points of holomorphic maps with two critical points. The model incorporates arithmetic properties of the rotation number at the fixed point,…

Dynamical Systems · Mathematics 2026-01-30 Jocelyn Finbar Russell

The invariant class under parabolic and near-parabolic renormalizations constructed by Inou and Shishikura has been proved to be extremely useful in recent years. It leads to several important progresses on the dynamics of certain…

Dynamical Systems · Mathematics 2024-07-02 Fei Yang

We study of the effect of weak noise on critical one dimensional maps; that is, maps with a renormalization theory. We establish a one dimensional central limit theorem for weak noises and obtain Berry--Esseen estimates for the rate of this…

Dynamical Systems · Mathematics 2007-05-23 Oliver Diaz-Espinosa , Rafael de la Llave

We gain tight rigorous bounds on the renormalisation fixed point function for period doubling in families of unimodal maps with degree 2 critical point. By writing the relevant eigenproblems in a modified nonlinear form, we use these…

Dynamical Systems · Mathematics 2021-03-11 Andrew D Burbanks , Andrew H Osbaldestin , Judi A Thurlby

We proved the so called complex bounds for multimodal, infinitely renormalizable analytic maps with bounded combinatorics: deep renormalizations have polynomial-like extensions with definite modulus. The complex bounds is the first step to…

Dynamical Systems · Mathematics 2022-03-30 Daniel Smania

A Lorenz map is a Poincar\'e map for a three-dimensional Lorenz flow. We describe the theory of renormalization for Lorenz maps with a critical point and prove that a restriction of the renormalization operator acting on such maps has a…

Dynamical Systems · Mathematics 2014-12-30 Björn Winckler

In this paper we give a combinatorial description of the renormlization limits of infinitely renormalizable unimodal maps with {\it essentially bounded} combinatorics admitting quadratic-like complex extensions. As an application we…

Dynamical Systems · Mathematics 2016-09-07 Benjamin Hinkle

We gain tight rigorous bounds on the renormalisation fixed point for period doubling in families of unimodal maps with degree $4$ critical point. We use a contraction mapping argument to bound essential eigenfunctions and eigenvalues for…

Dynamical Systems · Mathematics 2023-08-29 Andrew D Burbanks , Andrew H Osbaldestin , Judi A Thurlby

We develop a renormalization theory of non-perturbative dissipative H\'enon-like maps with combinatorics of bounded type. The main novelty of our approach is the incorporation of Pesin theoretic ideas to the renormalization method, which…

Dynamical Systems · Mathematics 2024-11-14 Jonguk Yang

In this paper we study homeomorphisms of the circle with several critical points and bounded type rotation number. We prove complex a priori bounds for these maps. As an application, we get that bi-cubic circle maps with same bounded type…

Dynamical Systems · Mathematics 2025-09-18 Gabriela Estevez , Daniel Smania , Michael Yampolsky

We construct complex a-priori bounds for certain infinitely renormalizable Lorenz maps. As a corollary, we show that renormalization is a real-analytic operator on the corresponding space of Lorenz maps.

Dynamical Systems · Mathematics 2020-02-17 Denis Gaidashev , Igors Gorbovickis

We introduce a class of infinitely renormalizable, unicritical diffeomorphisms of the disk (with a non-degenerate "critical point"). In this class of dynamical systems, we show that under renormalization, maps eventually become…

Dynamical Systems · Mathematics 2024-01-25 Sylvain Crovisier , Mikhail Lyubich , Enrique Pujals , Jonguk Yang

We study the renormalization operator of circle homeomorphisms with a break point and show that it possesses a hyperbolic horseshoe attractor.

Dynamical Systems · Mathematics 2014-04-29 Konstantin Khanin , Michael Yampolsky
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