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Related papers: SRB measures of singular hyperbolic attractors

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We prove that a $C^1$ hyperbolic map whose differential is regular enough has an SRB measure. The precise regularity condition is weaker than H{\"o}lder and was mentionned by various authors through the developement of expanding and…

Dynamical Systems · Mathematics 2022-10-25 Houssam Boukhecham

Let f be a self-map of a compact manifold M, admitting an global SRB measure \mu. For a continuous test function \phi on M and a constant \alpha>0, consider the set of the initial points for which the Birkhoff time averages of the function…

Dynamical Systems · Mathematics 2011-12-30 Victor Kleptsyn , Dmitry Ryzhov

We consider the robust family of Geometric Lorenz attractors. These attractors are chaotic in the sense that they are transitive and have sensitive dependence on the initial conditions. Moreover, they support SRB measures whose ergodic…

Dynamical Systems · Mathematics 2013-12-06 Jose F. Alves , Mohammad Soufi

We describe some recent results on the dynamics of singular-hyperbolic (or Lorenz-like) attractors: attractors in this class are expansive and so sensitive with respect to initial data; they admit a unique physical measure whose support is…

Dynamical Systems · Mathematics 2010-08-31 Vitor Araujo , Maria Jose Pacifico

For r > 1, we show, using the Ledrappier-Young entropy characterization of SRB measures for non-invertible maps, that if a C^r map f of the interval or the circle has its Lyapunov exponent greater than 1/r log ||f ' || $\infty$ on a set E…

Dynamical Systems · Mathematics 2024-11-08 Alexandre Delplanque

We extend results on robust exponential mixing for geometric Lorenz attractors, with a dense orbit and a unique singularity, to singular-hyperbolic attracting sets with any number of (either Lorenz- or non-Lorenz-like) singularities and…

Dynamical Systems · Mathematics 2023-02-06 Vitor Araujo , Edvan Trindade

We consider polygonal billiards with collisions contracting the reflection angle towards the normal to the boundary of the table. In previous work, we proved that such billiards has a finite number of ergodic SRB measures supported on…

Dynamical Systems · Mathematics 2019-10-29 Gianluigi Del Magno , João Lopes Dias , Pedro Duarte , José Pedro Gaivão

We consider strange attractors of two dimensional generalized map with one nonlinearity such that Lozi, H\'{e}non and Belykh maps are particular cases of it. We describe technique of invariant expanding and contracting cones creation for…

Dynamical Systems · Mathematics 2022-12-13 Dina Grechko , Vladimir Belykh , Nikita Barabash

We show that a class of higher-dimensional hyperbolic endomorphisms admit absolutely continuous invariant probabilities whose density are regular. The maps we consider are given by $T(x,y) = (E (x), C(y) + f(x) )$, where $E$ is a linear…

Dynamical Systems · Mathematics 2019-05-22 Carlos Bocker , Ricardo Bortolotti

We consider partially hyperbolic attractors for non-singular endomorphisms admitting an invariant stable bundle and a positively invariant cone field with non-uniform cone expansion at a positive Lebesgue measure set of points. We prove…

Dynamical Systems · Mathematics 2018-10-08 Anderson Cruz , Giovane Ferreira , Paulo Varandas

We prove the existence of SRB measures for diffeomorphisms where a positive volume set of initial conditions satisfy an "effective hyperbolicity" condition that guarantees certain recurrence conditions on the iterates of Lebesgue measure.…

Dynamical Systems · Mathematics 2017-10-25 Vaughn Climenhaga , Dmitry Dolgopyat , Yakov Pesin

A {\em singular hyperbolic attractor} for flows is a partially hyperbolic attractor with singularities (hyperbolic ones) and volume expanding central direction \cite{mpp1}. The geometric Lorenz attractor \cite{gw} is an example of a…

Dynamical Systems · Mathematics 2007-05-23 C. A. Morales

For $C^{1+}$ maps, possibly non-invertible and with singularities, we prove that each homoclinic class of an ergodic adapted hyperbolic measure carries at most one adapted hyperbolic measure of maximal entropy. We then apply this to study…

Dynamical Systems · Mathematics 2025-12-30 Yuri Lima , Davi Obata , Mauricio Poletti

For a class of expanding maps with neutral singularities we prove the validity of a finite rank approximation scheme for the analysis of Sinai-Ruelle-Bowen measures. Earlier results of this sort were known only in the case of hyperbolic…

Dynamical Systems · Mathematics 2007-09-18 Michael Blank

In this article we consider the ergodic optimization for hyperbolic flows and Lorenz attractors with respect to both continuous and Holder continuous observables. In the context of hyperbolic flows we prove that a Baire generic subset of…

Dynamical Systems · Mathematics 2020-10-28 Marcus Morro , Roberto Sant'Anna , Paulo Varandas

We construct SRB measures for endomorphisms satisfying conditions far weaker than the non-uniformly expansion. As a consequence, the definition of non-uniformly expanding map can be weakened. We also prove the existence of an absolutely…

Dynamical Systems · Mathematics 2009-11-11 Vilton Pinheiro

We prove that for $C^{1+\beta}$ flows whose generating vector fields may have singularities, every weakly mixing hyperbolic SRB measure is Bernoullian.

Dynamical Systems · Mathematics 2026-04-29 Chiyi Luo , Dawei Yang

In this work we exhibit a new criteria for ergodicity of diffeomorphisms involving conditions on Lyapunov exponents and general position of some invariant manifolds. On one hand we derive uniqueness of SRB-measures for transitive surface…

Dynamical Systems · Mathematics 2007-10-15 F. Rodriguez Hertz , M. A. Rodriguez Hertz , A. Tahzibi , R. Ures

In this article we will describe a new construction for Gibbs measures for hyperbolic attractors generalizing the original construction of Sinai, Bowen and Ruelle of SRB measures. The classical construction of the SRB measure is based on…

Dynamical Systems · Mathematics 2022-04-19 David Parmenter , Mark Pollicott

We prove the existence of Sinai-Ruelle-Bowen measures for a class of $C^2$ self-mappings of a rectangle with unbounded derivatives. The results can be regarded as a generalization of a well-known one dimensional Folklore Theorem on the…

Dynamical Systems · Mathematics 2016-09-06 Michael Jakobson , Sheldon Newhouse