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math.DS2026

Partially Hyperbolic Dynamics on : Existence of Compact Center-Unstable Leaves

Raul Ures, Tongyao Yu

We show that for , if a partially hyperbolic diffeomorphism with has an invariant center-unstable foliation with…

math.DS2025

Partially hyperbolic diffeomorphisms homotopic to the identity in dimension three

Ziqiang Feng, Raúl Ures

We show that any conservative partially hyperbolic diffeomorphism homotopic to the identity is accessible unless the fundamental group of its ambient 3-manifold is virtually solvab…

math.DS2025

Measures of maximal entropy that are SRB

Fernando Micena, Ryo Moore, Jana Rodriguez Hertz +1

A smooth conservative DA-diffeomorphism is smoothly conjugated to its Anosov linear part if and only if all Lyapunov exponents coincide almost everywhere with those of its linear p…

math.DS2025

Accessibility and Ergodicity of Partially Hyperbolic Diffeomorphisms without Periodic Points

Ziqiang Feng, Raúl Ures

We prove that every conservative partially hyperbolic diffeomorphism of a closed 3-manifold without periodic points is ergodic, which gives an affirmative answer to the Ergod…

math.DS2025

On the Ergodicity of Rotation Extensions of Hyperbolic Endomorphisms

Fernando Micena, Raúl Ures

We study the ergodicity of partially hyperbolic endomorphisms, focusing on skew products where the base dynamics are governed by Anosov endomorphisms. For this family, we establish…

math.DS2024

Maximal transverse measures of expanding foliations

Raul Ures, Marcelo Viana, Fan Yang +1

For an expanding (unstable) foliation of a diffeomorphism, we use a natural dynamical averaging to construct transverse measures, which we call \emph{maximal}, describing the stati…