Volume hyperbolicity and wildness

Abstract : It is known that volume hyperbolicity (partial hyperbolicity and uniform expansion or contraction of the volume in the extremal bundles) is a necessary condition for robust transitivity or robust chain recurrence and hence for tameness. In this paper, on any $3$--manifold we build examples of quasi-attractors which are volume hyperbolic and wild at the same time. As a main corollary, we see that, for any closed $3$-manifold $M$, the space $\mathrm{Diff}^1(M)$ admits a non-empty open set where every $C^1$-generic diffeomorphism has no attractors or repellers. The main tool of our construction is the notion of flexible periodic points introduced in the authors’ previous paper. In order to eject the flexible points from the quasi-attractor, we control the topology of the quasi-attractor using the notion of partially hyperbolic filtrating Markov partitions, which we introduce in this paper.
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Submitted on : Monday, May 28, 2018 - 3:08:21 PM
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Christian Bonatti, Katsutoshi Shinohara. Volume hyperbolicity and wildness. Ergodic Theory and Dynamical Systems, Cambridge University Press (CUP), 2018, 38 (3), pp.886-920. ⟨10.1017/etds.2016.51⟩. ⟨hal-01801537⟩



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