Thibault Lefeuvre

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20242026

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math.DS2026

Propagation of regularity along unstable manifolds

Thibault Lefeuvre, Rafael Potrie

Let $I ¨ _{t} : M \to M$ be a flow on a smooth closed connected manifold $M$ that preserves and expands a foliation $F$ . We establish a theorem of propagation of regularity along the l…

math.DS2024

On the ergodicity of the frame flow on even-dimensional manifolds

Mihajlo CekiÄ, Thibault Lefeuvre, Andrei Moroianu +1

It is known that the frame flow on a closed $n$ -dimensional Riemannian manifold with negative sectional curvature is ergodic if $n$ is odd and $n \neq = 7$ . In this paper we study it…