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For $C^1$ diffeomorphisms with continuous invariant splitting without domination, we prove the existence of (un)stable manifold under the hyperbolicity of invariant measures.

Dynamical Systems · Mathematics 2025-10-28 Yongluo Cao , Zeya Mi , Rui Zou

In this paper, we study transitive partially hyperbolic diffeomorphisms with one-dimensional topologically neutral center, meaning that the length of the iterate of small center segments remains small. Such systems are dynamically coherent.…

Dynamical Systems · Mathematics 2020-08-18 Christian Bonatti , Jinhua Zhang

We give sufficient conditions for a diffeomorphism of a compact surface to be robustly $N$-expansive and cw-expansive in the $C^r$-topology. We give examples on the genus two surface showing that they need not to be Anosov diffeomorphisms.…

Dynamical Systems · Mathematics 2015-04-14 Alfonso Artigue

We introduce the notion of nonuniform center bunching for partially hyperbolic diffeomorphims, and extend previous results by Burns--Wilkinson and Avila--Santamaria--Viana. Combining this new technique with other constructions, we prove…

Dynamical Systems · Mathematics 2009-12-18 Artur Avila , Jairo Bochi , Amie Wilkinson

In this article we intend to contribute in the understanding of the ergodic properties of the set RT of robustly transitive local diffeomorphisms on a compact manifold M without boundary. We prove that there exists a C^1 residual subset R_0…

Dynamical Systems · Mathematics 2014-01-28 Cristina Lizana , Vilton Pinheiro , Paulo Varandas

Let $M$ be a smooth compact manifold and $\Lambda$ be a compact invariant set. In this paper we prove that for every robustly transitive set $\Lambda$, $f|_\Lambda$ satisfies a $C^1-$generic-stable shadowable property (resp.,…

Dynamical Systems · Mathematics 2012-01-16 Wenxiang Sun , Xueting Tian

We show the existence of large $\mathcal C^1$ open sets of area preserving endomorphisms of the two-torus which have no dominated splitting and are non-uniformly hyperbolic, meaning that Lebesgue almost every point has a positive and a…

Dynamical Systems · Mathematics 2026-01-14 Martin Andersson , Pablo D. Carrasco , Radu Saghin

For a boundary-preserving partially hyperbolic diffeomorphism with interval central leaves, we completely characterize the $C^k$-robust transitivity $(k\geq 2)$ by boundary interconnection. As an application, if the boundary SRB measures…

Dynamical Systems · Mathematics 2025-09-29 Wenchao Li , Yi Shi , Mingyang Xia

We study transitive step skew-product maps modeled over a complete shift of $k$, $k\ge2$, symbols whose fiber maps are defined on the circle and have intermingled contracting and expanding regions. These dynamics are genuinely nonhyperbolic…

Dynamical Systems · Mathematics 2016-02-23 L. J. Diaz , K. Gelfert , M. Rams

In this article we prove that for a $C^{1+\alpha}$ diffeomorphism on a compact Riemannian manifold, if there is a hyperbolic ergodic measure whose support is not uniformly hyperbolic, then the topological entropy of the set of irregular…

Dynamical Systems · Mathematics 2021-11-17 Xiaobo Hou , Xueting Tian

We present several results suggesting that the concept of $C^1$-inverse limit stability is free of singularity theory. We describe an example of a $C^1$-inverse stable endomorphism which is robustly transitive with persistent critical set.…

Dynamical Systems · Mathematics 2010-06-23 Pierre Berger , Alvaro Rovella

For every $r\in\mathbb{N}_{\geq 2}\cup\{\infty\}$, we prove a $C^r$-orbit connecting lemma for dynamically coherent and plaque expansive partially hyperbolic diffeomorphisms with 1-dimensional orientation preserving center bundle. To be…

Dynamical Systems · Mathematics 2023-09-06 Yi Shi , Xiaodong Wang

We prove transitivity for volume preserving $C^{1+}$ diffeomorphisms on $\mathbb{T}^3$ which are isotopic to a linear Anosov automorphism along a path of weakly partially hyperbolic diffeomorphisms.

Dynamical Systems · Mathematics 2016-07-13 Martin Andersson , Shaobo Gan

We show there is a residual set of non-Anosov $C^{\infty}$ Axiom A diffeomorphisms with the no cycles property whose elements have trivial centralizer. If $M$ is a surface and $2\leq r\leq \infty$, then we will show there exists an open and…

Dynamical Systems · Mathematics 2009-11-13 Todd Fisher

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

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

We consider partially hyperbolic \( C^{1+} \) diffeomorphisms of compact Riemannian manifolds of arbitrary dimension which admit a partially hyperbolic tangent bundle decomposition \( E^s\oplus E^{cu} \). Assuming the existence of a set of…

Dynamical Systems · Mathematics 2015-12-18 Jose F. Alves , C. L. Dias , S. Luzzatto , V. Pinheiro

We analyze a class of deformations of Anosov diffeomorphisms: these $C^0$-small, but $C^1$-macroscopic deformations break the topological conjugacy class but leave the high entropy dynamics unchanged. More precisely, there is a partial…

Dynamical Systems · Mathematics 2011-03-15 Jerome Buzzi , Todd Fisher

We prove that for a generic $C^1$-diffeomorphism existence of a homoclinic class with periodic saddles of different indices (dimension of the unstable bundle) implies existence an invariant ergodic non-hyperbolic (one of the Lyapunov…

Dynamical Systems · Mathematics 2008-04-14 Lorenzo J. Diaz , Anton Gorodetski

By using the variational approach, we prove the existence of Sinai-Ruelle-Bowen measures for partially hyperbolic $\mathcal C^1$ diffeomorphisms with mostly expanding properties. The same conclusion holds true if one considers a dominated…

Dynamical Systems · Mathematics 2024-03-12 David Burguet , Dawei Yang