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math.DS2019
Centralizers of partially hyperbolic diffeomorphisms in dimension 3
Thomas Barthelmé, Andrey Gogolev
In this note we describe centralizers of volume preserving partially hyperbolic diffeomorphisms which are homotopic to identity on Seifert fibered and hyperbolic 3-manifolds. Our p…
math.DS2019
Geometry and entropies in a fixed conformal class on surfaces
Thomas Barthelmé, Alena Erchenko
We show the flexibility of the metric entropy and obtain additional restrictions on the topological entropy of geodesic flow on closed surfaces of negative Euler characteristic wit…