Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Série IPHT-PHM
Domaines math-ph
Date Lundi 19 Mars 2018
Heure 11:00
Institut IPHT
Salle Salle Claude Itzykson, Bât. 774
Nom de l'orateur Federico Zerbini
Prenom de l'orateur
Addresse email de l'orateur
Institution de l'orateur IPhT
Titre String amplitudes in genus one: from open to closed strings.
Résumé The Feynman diagram expansion of scattering amplitudes in perturbative superstring theory can be written as a series of integrals over compactified moduli spaces of Riemann surfaces with marked points, indexed by the genus. In genus zero one finds that open and closed string amplitudes can be described in terms of special values of multi-valued and single-valued polylogarithms, respectively, and are related by a map called single-valued projection. In this talk I want to report on recent evidence that an analogous statement can be made in genus one in terms of elliptic polylogarithms.
Numéro de preprint arXiv
Commentaires
Fichiers attachés

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

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