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1. Rigidité de quelques groupes de germes de difféomorphismes

Author

Frédéric Touzet

Subjects
Pure mathematics, Rigidity (electromagnetism), Flots de Nakai, General Mathematics, Calculus, Classes Gevrey, Germes de difféomorphismes, Groupes libres, Rigidité formelle et topologique, Mathematics
Abstract

Using the description of non solvable dynamics by Nakai, we give in this paper a new proof of the rigidity properties of some subgroups of $\operatorname{Diff}(\mathbb{C},0)$. The $\mathcal{C}^{\infty}$ case is also considered here.

Published
2003