Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Série SEM-DARBOUX
Domaines hep-th,math.AG
Date Jeudi 15 Mai 2025
Heure 11:00
Institut LPTHE
Salle bibliothèque du LPTHE, tour 13-14, 4eme étage
Nom de l'orateur Sauvaget
Prenom de l'orateur Adrien
Addresse email de l'orateur
Institution de l'orateur Université de Cergy-Pontoise
Titre Cone surfaces in enumerative geometry
Résumé In the 80’s Troyanov explained that the moduli space of complex curves is isomorphic to the moduli spaces of cone surfaces with given angle data of the singularities. This fact allows for the construction of several interesting geometric structures on this moduli space. I will present some of results and open problems around the interplay between these structures and the classical complex point of view. In particular, I will explain how to reprove Witten-Kontsevich theorem (providing the expression of integrals of certain chern classes on the moduli space) using the properties of the monodromy morphisms of the cone structure.This proof is based on a generalization of the heuristic observation in theoretical physics that the (2,p) Liouville minimal model converges to the JT gravity theory. If time allows, I will discuss possible analogs of these results for super surfaces.
Numéro de preprint arXiv
Commentaires
Fichiers attachés

Pour obtenir l' affiche de ce séminaire : [ Postscript | PDF ]

[ Annonces ]    [ Abonnements ]    [ Archive ]    [ Aide ]    [ ]
[ English version ]