The Lyapunov exponents of Teichmüller flow (following Eskin-Kontsevich-Zorich)
Les exposants de Liapounoff du flot de Teichmüller (d’après Eskin-Kontsevich-Zorich)
Abstract
The purpose of the paper under review is to explain the main ideas and the main ingredients of the involved and delicate work of A. Eskin, M. Kontsevich and A. Zorich concerning the sum of the positive Lyapunov exponents of the so-called Kontsevich- Zorich cocycle acting on the first cohomology spaces of translation surfaces.
LES EXPOSANTS DE LIAPOUNOFF DU FLOT DE TEICHMÜLLER d'après Eskin-Kontsevich-Zorich par Julien GRIVAUX & Pascal HUBERT Dans ce texte, nous présentons un résultat dû à Eskin, Kontsevich et Zorich [EKZ2] concernant les exposants de Liapounoff du flot de Teichmüller.
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