Robust existence of nonhyperbolic ergodic measures with positive entropy and full support - Archive ouverte HAL
Pré-Publication, Document De Travail Année : 2022

Robust existence of nonhyperbolic ergodic measures with positive entropy and full support

Lorenzo J. Díaz
  • Fonction : Auteur
Dominik Kwietniak
  • Fonction : Auteur

Résumé

We prove that for some manifolds $M$ the set of robustly transitive partially hyperbolic diffeomorphisms of $M$ with one-dimensional nonhyperbolic centre direction contains a $C^1$-open and dense subset of diffeomorphisms with nonhyperbolic measures which are ergodic, fully supported and have positive entropy. To do so, we formulate abstract conditions sufficient for the construction of an ergodic, fully supported measure $\mu$ which has positive entropy and is such that for a continuous function $\phi\colon X\to\mathbb{R}$ the integral $\int\phi\,d\mu$ vanishes. The criterion is an extended version of the control at any scale with a long and sparse tail technique coming from the previous works.

Dates et versions

hal-03860928 , version 1 (18-11-2022)

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Citer

Christian Bonatti, Lorenzo J. Díaz, Dominik Kwietniak. Robust existence of nonhyperbolic ergodic measures with positive entropy and full support. 2022. ⟨hal-03860928⟩
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