activity
20022020
most citedSimplicity of the group of compactly supported area preserving homeomorphisms of the open disc and fragmentation of symplectic diffeomorphisms

2 citations · 5 across the 8 of their papers we have counts for

collaborators

10 papers

math.SG2020

The Anosov-Katok method and pseudo-rotations in symplectic dynamics

Frédéric Le Roux, Sobhan Seyfaddini

We prove that toric symplectic manifolds admit Hamiltonian pseudo-rotations with a finite, and in a sense minimal, number of ergodic measures. The set of ergodic measures of these…

math.DS2012★ 2 cited

An introduction to Handel's homotopy Brouwer theory

Frédéric Le Roux

Homotopy Brouwer theory is a tool to study the dynamics of surface homeomorphisms. We introduce and illustrate the main objects of homotopy Brouwer theory, and provide a proof of H…

math.DS2012

On closed subgroups of the group of homeomorphisms of a manifold

Frédéric Le Roux

Let be a triangulable compact manifold. We prove that, among closed subgroups of $\homeo_{0}(M)$ (the identity component of the group of homeomorphisms of ), the subgroup co…

math.DS2009★ 2 cited

Simplicity of the group of compactly supported area preserving homeomorphisms of the open disc and fragmentation of symplectic diffeomorphisms

Frédéric Le Roux

In 1980, Albert Fathi asked whether the group of area-preserving homeomorphisms of the 2-disc that are the identity near the boundary is a simple group. In this paper, we show that…

math.DS2008

Realisation of measured dynamics as uniquely ergodic minimal homeomorphisms on manifolds

François Béguin, Sylvain Crovisier, Frédéric Le Roux

We prove that the family of measured dynamical systems which can be realised as uniquely ergodic minimal homeomorphisms on a given manifold (of dimension at least two) is stable un…

math.DS2007

A topological characterisation of holomorphic parabolic germs in the plane

Frédéric Le Roux

Gambaudo and Pécou introduced the ``linking property'' to study the dynamics of germs of planar homeomorphims and provide a new proof of Naishul theorem in their paper "A topologic…