Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Série MATH-IHES
Domaines math
Date Lundi 8 Novembre 2021
Heure 16:00
Institut IHES
Salle Amphithéâtre Léon Motchane
Nom de l'orateur Fanoni
Prenom de l'orateur Federica
Addresse email de l'orateur
Institution de l'orateur CNRS et LAMA, Créteil
Titre Isospectral Hyperbolic Surfaces of Infinite Genus
Résumé Two hyperbolic surfaces are said to be (length) isospectral if they have the same collection of lengths of primitive closed geodesics, counted with multiplicity (i.e. if they have the same length spectrum). For closed surfaces, there is an upper bound on the size of isospectral hyperbolic structures depending only on the topology. We will show that the situation is very different for infinite-type surfaces, by constructing large families of isospectral hyperbolic structures on surfaces of infinite genus.
Numéro de preprint arXiv
Commentaires Séminaire Géométrie et groupes discrets
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