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Vidéo Année : 2018

A. Wright - Nearly Fuchsian surface subgroups of finite covolume Kleinian groups

Afficher 

Yohan Girard
  • Fonction : Réalisateur
Alex Wright
  • Fonction : Auteur

Résumé

Multicurves have played a fundamental role in the study of mapping class groups of surfaces since the work of Dehn. A beautiful method of describing such systems on the n-punctured disk is given by the Dynnikov coordinate system. In this talk we describe polynomial time algorithms for calculating the number of connected components of a multi curve, and the geometric intersection number of two multicurves on the n-punctured disk, taking as input their Dynnikov coordinates. This is joint work with Toby Hall.

Dates et versions

medihal-01836658 , version 1 (12-07-2018)

Licence

Paternité - Pas d'utilisation commerciale - Pas de modification

Identifiants

  • HAL Id : medihal-01836658 , version 1

Citer

Yohan Girard, Alex Wright. A. Wright - Nearly Fuchsian surface subgroups of finite covolume Kleinian groups: Summer School 2018 - Teichmüller dynamics, mapping class groups and applications. 2018. ⟨medihal-01836658⟩
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