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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

We consider continuous maps of the interval which preserve the Lebesgue measure. Except for the identity map or $1 - \id$ all such maps have topological entropy at least $\log2/2$ and generically they have infinite topological entropy. In…

Dynamical Systems · Mathematics 2026-02-06 Jozef Bobok , Jernej Činč , Piotr Oprocha , Serge Troubetzkoy

We give a heuristic method to solve explicitly for an absolutely continuous invariant measure for a piecewise differentiable, expanding map of a compact subset $I$ of Euclidean space $R^d$. The method consists of constructing a skew product…

Dynamical Systems · Mathematics 2017-09-19 Pierre Arnoux , Thomas A. Schmidt

We prove that for a generic skew product with circle fiber over an Anosov diffeomorphism the Milnor attractor (also called the likely limit set) coincides with the statistical attractor, is Lyapunov stable, and either has zero Lebesgue…

Dynamical Systems · Mathematics 2016-07-18 Alexey Okunev

We consider statistical attractors of locally typical dynamical systems and their "e-invisible" subsets: parts of the attractors whose neighborhoods are visited by orbits with an average frequency of less than e << 1. For extraordinarily…

Dynamical Systems · Mathematics 2012-08-16 Yulij Ilyashenko , Denis Volk

In this paper, we study the limit measures of the empirical measures of Lebesgue almost every point in the basin of a partially hyperbolic attractor. They are strongly related to a notion named Gibbs u-state, which can be defined in a large…

Dynamical Systems · Mathematics 2018-12-24 Sylvain Crovisier , Dawei Yang , Jinhua Zhang

For each integer $m \geq 1$, we construct a finite-dimensional family of rational maps, given by Blaschke-type products, whose restriction to the unit circle consists of $2m$-multimodal maps. We show that every post-critically finite…

Dynamical Systems · Mathematics 2026-05-08 Edson de Faria , Welington de Melo , Pedro A. S. Salomão , Edson Vargas

We have investigated the attractive Hubbard model in the low density limit for the 2D square lattice using the ladder approximation for the vertex function in a self-consistent, conserving formulation. In the parameter region where the…

Strongly Correlated Electrons · Physics 2009-10-31 M. Letz , R. J. Gooding

We study Poincare recurrence of chaotic attractors for regions of finite size. Contrary to the standard case, where the size of the recurrent regions tends to zero, the measure is not supported anymore solely by unstable periodic orbits…

Chaotic Dynamics · Physics 2009-11-10 Murilo S. Baptista , Suso Kraut , Celso Grebogi

We show that resonance zones near an elliptic periodic point of a reversible map must, generically, contain asymptotically stable and asymptotically unstable periodic orbits, along with wild hyperbolic sets.

Dynamical Systems · Mathematics 2012-12-11 Sergey Gonchenko , Jeroen Lamb , Isabel Rios , Dmitry Turaev

We consider the Random Walk Pinning Model studied in [3,2]: this is a random walk X on Z^d, whose law is modified by the exponential of \beta times L_N(X,Y), the collision local time up to time N with the (quenched) trajectory Y of another…

Probability · Mathematics 2010-07-22 Q. Berger , F. Toninelli

In this paper, we deal with random attractors for dynamical systems forced by a deterministic noise. These kind of systems are modeled as skew products where the dynamics of the forcing process are described by the base transformation.…

Dynamical Systems · Mathematics 2021-07-08 F. H. Ghane , M. Rabiee , M. Zaj

It is well known that topological classification of dynamical systems with hyperbolic dynamics is significantly defined by dynamics on nonwandering set. F. Przytycki generalized axiom $A$ for smooth endomorphisms that was previously…

Dynamical Systems · Mathematics 2017-11-10 Viacheslav Z. Grines , Evgeniy D. Kurenkov

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

In this article, we prove the finite dimensionality of the global attractor and estimate the numbers of the determining modes for the 2D Boussinesq system in a periodic channel with fractional Laplacian in subcritical case.

Analysis of PDEs · Mathematics 2016-09-07 Aimin Huang , Wenru Huo

Area-preserving maps have been observed to undergo a universal period-doubling cascade, analogous to the famous Feigenbaum-Coullet-Tresser period doubling cascade in one-dimensional dynamics. A renormalization approach has been used by…

Dynamical Systems · Mathematics 2014-12-19 Denis Gaidashev , Tomas Johnson

In a previous paper we considered a sequence of maps on a complete metric space $(X,d)$ and derived an extension of the Banach fixed point theorem. We showed that backward trajectories of maps $X\to X$ converge under mild conditions and…

Functional Analysis · Mathematics 2019-07-26 Nira Dyn , David Levin , Peter Massopust

We consider a certain three-dimensional piecewise linear system of Lorenz type in the cases of positive and negative saddle value, which is the sum of two eigenvalues of the saddle nearest to zero. This system was recently proposed and…

Dynamical Systems · Mathematics 2025-05-14 Nikita V. Barabash , Daria A. Bakalina , Vladimir N. Belykh

We prove that a partially hyperbolic attracting set for a C2 vector field, having slow recurrence to equilibria, supports an ergodic physical/SRB measure if, and only if, the trapping region admits non-uniform sectional expansion on a…

Dynamical Systems · Mathematics 2025-11-13 Vitor Araujo , Luciana Salgado , Sergio Sousa

We show that there exist real quadratic maps of the interval whose attractors are computationally intractable. This is the first known class of such natural examples.

Dynamical Systems · Mathematics 2017-03-16 Cristobal Rojas , Michael Yampolsky