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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

This article concerns a class of open billiards consisting of a finite number of strictly convex, non-eclipsing obstacles $K$. The non-wandering set $M_0$ of the billiard ball map is a topological Cantor set and its Hausdorff dimension has…

Dynamical Systems · Mathematics 2011-12-30 Paul Wright

We study Mean Field Games (MFGs) driven by a large class of nonlocal, fractional and anomalous diffusions in the whole space. These non-Gaussian diffusions are pure jump L\'evy processes with some $\sigma$-stable like behaviour. Included…

Analysis of PDEs · Mathematics 2021-03-10 Olav Ersland , Espen Robstad Jakobsen

A partially hyperbolic diffeomorphism $f$ has quasi-shadowing property if for any pseudo orbit ${x_k}_{k\in \mathbb{Z}}$, there is a sequence of points ${y_k}_{k\in \mathbb{Z}}$ tracing it in which $y_{k+1}$ is obtained from $f(y_k)$ by a…

Dynamical Systems · Mathematics 2019-02-20 Huyi Hu , Yunhua Zhou , Yujun Zhu

We show that a partially hyperbolic $C^1$ -diffeomorphism $f : M \to M$ with a uniformly compact $f$ -invariant center foliation $F^c$ is dynamically coherent. Further, the induced homeomorphism $F : M/F^c \to M/F^c$ on the quotient space…

Dynamical Systems · Mathematics 2014-12-11 Doris Bohnet , Christian Bonatti

We study how equivalent nonisomorphic models an unsuperstable theory can have. We measure the equivalence by Ehrenfeucht-Fraisse games.

Logic · Mathematics 2007-05-23 Tapani Hyttinen , Saharon Shelah

Let $f: M \to M$ be a $C^{1+\alpha}$ map/diffeomorphism of a compact Riemannian manifold $M$ and $\mu$ be an expanding/hyperbolic ergodic $f$-invariant Borel probability measure on $M$. Assume $f$ is average conformal expanding/hyperbolic…

Dynamical Systems · Mathematics 2022-07-20 Congcong Qu , Juan Wang

In this paper we study evolutive first order Mean Field Games in the Heisenberg group; each agent can move in the whole space but it has to follow "horizontal" trajectories which are given in terms of the vector fields generating the group…

Analysis of PDEs · Mathematics 2022-01-03 Paola Mannucci , Claudio Marchi , Nicoletta Tchou

We prove well-posedness of a class of kinetic-type Mean Field Games, which typically arise when agents control their acceleration. Such systems include independent variables representing the spatial position as well as velocity. We consider…

Analysis of PDEs · Mathematics 2024-03-20 David M. Ambrose , Megan Griffin-Pickering , Alpár R. Mészáros

In this paper, the equilibrium states for a non-degenerate $ C^2 $ partially hyperbolic endomorphism $f$ on a closed Riemannian manifold $M$ with one-dimensional center bundle are investigated. Applying the criterion of Climenhaga-Thompson…

Dynamical Systems · Mathematics 2025-12-18 Yifan Zhang , Yujun Zhu

We construct non-isomorphic models M, N, e.g. of cardinality aleph_1 such that in the Ehrenfeucht-Fraisse game of length zeta < omega_1 the isomorphism player wins

Logic · Mathematics 2007-09-25 Saharon Shelah

We prove that every $C^2$ conservative partially hyperbolic diffeomorphism of a closed 3-manifold without periodic points is ergodic, which gives an affirmative answer to the Ergodicity Conjecture by Hertz-Hertz-Ures in the absence of…

Dynamical Systems · Mathematics 2025-04-07 Ziqiang Feng , Raúl Ures

For a surface diffeomorphism, a compact invariant locally maximal set $W$ and some subset $A\subset W$ we study the $A$-exceptional set, that is, the set of points whose orbits do not accumulate at $A$. We show that if the Hausdorff…

Dynamical Systems · Mathematics 2018-01-03 Sara Campos , Katrin Gelfert

We present a new variant of the potential game and show that certain compact subsets of $\R^n$, including a large class of self-affine sets, are winning in our game. We prove that sets with sufficiently strong winning conditions are…

Dynamical Systems · Mathematics 2025-08-18 Richard A. Howat , Andrew Mitchell , Tony Samuel

We propose a new method for constructing partially hyperbolic diffeomorphisms on closed manifolds. As a demonstration of the method we show that there are simply connected closed manifolds that support partially hyperbolic diffeomorphisms.

Dynamical Systems · Mathematics 2015-11-03 Andrey Gogolev , Pedro Ontaneda , Federico Rodriguez Hertz

We call a dynamical system on a measurable metric space {\em measure-expansive} if the probability of two orbits remain close each other for all time is negligible (i.e. zero). We extend results of expansive systems on compact metric spaces…

Dynamical Systems · Mathematics 2025-03-24 C. A. Morales

For any $C^1$ diffeomorphism on a smooth compact Riemannian manifold that admits an ergodic measure with positive entropy, a lower bound of the Hausdorff dimension for the local stable and unstable sets is given in terms of the…

Dynamical Systems · Mathematics 2018-08-31 Shilin Feng , Rui Gao , Wen Huang , Zeng Lian

This paper belongs to a series of papers devoted to the study of the structure of the non-wandering set of an A-diffeomorphism. We study such set $NW(f)$ for an $\Omega$-stable diffeomorphism $f$, given on a closed connected 3-manifold…

Dynamical Systems · Mathematics 2023-06-01 Marina Barinova , Olga Pochinka , Evgeniy Yakovlev

The statistical properties of mostly expanding partially hyperbolic diffeomorphisms have been substantially studied. In this paper, we would like to address the entropy properties of mostly expanding partially hyperbolic diffeomorphisms. We…

Dynamical Systems · Mathematics 2024-01-24 Jinhua Zhang

We consider both hyperbolic sets and partially hyperbolic sets attracting a set of points with positive volume in a Riemannian manifold. We obtain several results on the topological structure of such sets for diffeomorphisms whose…

Dynamical Systems · Mathematics 2007-05-23 Jose F. Alves , Vilton Pinheiro