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This paper gives a complete classification of the possible ergodic decompositions for certain open families of volume-preserving partially hyperbolic diffeomorphisms. These families include systems with compact center leaves and…

Dynamical Systems · Mathematics 2021-03-10 Andy Hammerlindl

We consider the class of partially hyperbolic diffeomorphisms on a closed 3-manifold with quasi-isometric center. Under the non-wandering condition, we prove that the diffeomorphisms are accessible if there is no $su$-torus. As a…

Dynamical Systems · Mathematics 2024-11-19 Ziqiang Feng

We study the simplicity of the Lyapunov spectrum of partially hyperbolic diffeomorphisms. We prove that a class of volume-preserving partially hyperbolic diffeomorphisms is $C^r$-accumulated by $C^2$-open sets with simple spectrum. Also we…

Dynamical Systems · Mathematics 2025-07-18 Karina Marin , Davi Obata , Mauricio Poletti

This article is devoted to the study of the multifractal analysis of ergodic averages in some nonuniformly hyperbolic systems. In particular, our results hold for the robust classes of multidimensional nonuniformly expanding local…

Dynamical Systems · Mathematics 2013-10-10 Xiaoyao Zhou , Ercai Chen

We study two properties of nonsingular and infinite measure-preserving ergodic systems: weak double ergodicity, and ergodicity with isometric coefficients. We show that there exist infinite measure-preserving transformations that are…

Dynamical Systems · Mathematics 2023-02-07 Beatrix Haddock , James Leng , Cesar E. Silva

In this work, we deal with a notion of partially hyperbolic endomorphism. We explore topological properties of this definition and we obtain, among other results, obstructions to get center leaf conjugacy with the linear part, for a class…

Dynamical Systems · Mathematics 2022-08-04 F. Micena , J. S. C. Costa

We obtain some properties of $C^1$ generic surface diffeomorphisms as finiteness of {\em non-trivial} attractors, approximation by diffeomorphisms with only a finite number of {\em hyperbolic} homoclinic classes, equivalence between…

Dynamical Systems · Mathematics 2013-06-10 A. Arbieto , C. A. Morales

In this paper, we continue our investigation on sub-additive pressures for $C^1$-smooth partially hyperbolic diffeomorphisms. Under the assumption of unstable almost product property, we show that the unstable Bowen topological pressure on…

Dynamical Systems · Mathematics 2022-03-22 Wenda Zhang , Zhiqiang Li , Xiankun Ren

We study stable conditional measures for a certain equilibrium measure for hyperbolic endomorphisms, on basic sets with overlaps; we show that these conditional measures are geometric probabilities and measures of maximal stable dimension.…

Dynamical Systems · Mathematics 2010-02-26 Eugen Mihailescu

We prove absolute continuity of "high entropy" hyperbolic invariant measures for smooth actions of higher rank abelian groups assuming that there are no proportional Lyapunov exponents. For actions on tori and infranilmanifolds existence of…

Dynamical Systems · Mathematics 2010-01-15 Anatole Katok , Federico Rodriguez Hertz

We prove that, for a $C^2$ partially hyperbolic endomorphism of the 2-torus which is strongly transitive, given an ergodic $u$-Gibbs measure that has positive center Lyapunov exponent and has full support, then either the map is special…

Dynamical Systems · Mathematics 2026-02-10 Marisa Cantarino , Bruno Santiago

We prove that any C1-stably weakly shadowable volume-preserving diffeomorphism defined on a compact manifold displays a dominated splitting E + F. Moreover, both E and F are volume-hyperbolic. Finally, we prove the version of this result…

Dynamical Systems · Mathematics 2012-07-25 Mario Bessa , Manseob Lee , Sandra Vaz

We prove, for f a partially hyperbolic diffeomorphism with center dimension one, two results about the integrability of its central bundle. On one side, we show that if the non wandering set of f is the whole manifold, and the manifold is 3…

Dynamical Systems · Mathematics 2007-05-23 F. Rodriguez Hertz , MA. Rodriguez Hertz , R. Ures

Quasi-invariant measures for non-discrete groups of diffeomorphisms containing a Morse-Smale dynamics are studied. The assumption concerning the presence of a Morse-Smale dynamics allows us to extend to higher dimensions a number of…

Dynamical Systems · Mathematics 2013-03-27 Julio C. Rebelo

We discuss about the denseness of the strong stable and unstable manifolds of partially hyperbolic diffeomorphisms. In this sense, we introduce a concept of m-minimality. More precisely, we say that a partially hyperbolic diffeomorphisms is…

Dynamical Systems · Mathematics 2015-12-02 Alexander Arbieto , Thiago Catalan , Felipe Nobili

Let $M$ be a closed smooth manifold and let $f:M\to M$ be a diffeomorphism. $C^1$-generically, a continuum-wise expansive satisfies Axiom A without cycles. Moreover, there is a partially hyperbolic diffeomorphism $f$ such that it is not…

Dynamical Systems · Mathematics 2016-03-08 Manseob Lee

We call a partially hyperbolic diffeomorphism \emph{partially volume expanding} if the Jacobian restricted to any hyperplane that contains the unstable bundle $E^u$ is larger than $1$. This is a $C^1$ open property. We show that any…

Dynamical Systems · Mathematics 2021-02-24 Shaobo Gan , Ming Li , Marcelo Viana , Jiagang Yang

In this paper, we prove that every ergodic hyperbolic invariant measure of a $C^1$ star vector field can be approximated by periodic measures in weak$^*$ topology. This extends a classical result of Katok \cite{Ka} for…

Dynamical Systems · Mathematics 2026-02-06 Qimai Sun , Guangwa Wang , Wanlou Wu

We prove existence of equilibrium states with special properties for a class of distance expanding local homeomorphisms on compact metric spaces and continuous potentials. Moreover, we formulate a C$^1$ generalization of Pesin's Entropy…

Dynamical Systems · Mathematics 2019-04-09 Vitor Araujo , Felipe Santos

We consider a partially hyperbolic C1-diffeomorphism f on a smooth compact manifold M with a uniformly compact f-invariant center foliation. We show that if the unstable bundle is one-dimensional and oriented, then the holonomy of the…

Dynamical Systems · Mathematics 2013-11-28 Doris Bohnet