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Vidéo Année : 2018

B. Weiss - Horocycle dynamics (Part 2)

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Barak Weiss
  • Fonction : Auteur
Yohan Girard
  • Fonction : Réalisateur

Résumé

A major challenge in dynamics on moduli spaces is to understand the behavior of the horocycle flow. We will motivate this problem and discuss what is known and what is not known about it, focusing on the genus 2 case. Specific topics to be covered include: * SL_2(R) orbit closures and invariant measures in genus 2. * Quantitative nondivergence. * The structure of minimal sets. * Rel and real-rel, and their interaction with the horocycle flow * Horizontal data diagrams and other invariants for horocycle invariant measures. * Classification of measures and orbit-closures in the eigenform loci. * Recent and not-so-recent examples of unexpected measures and orbit-closures.

Dates et versions

medihal-01835640 , version 1 (11-07-2018)

Licence

Paternité - Pas d'utilisation commerciale - Pas de modification

Identifiants

  • HAL Id : medihal-01835640 , version 1

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Barak Weiss, Yohan Girard. B. Weiss - Horocycle dynamics (Part 2): Summer School 2018 - Teichmüller dynamics, mapping class groups and applications. 2018. ⟨medihal-01835640⟩
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