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SUMMARY:From Polylogs to Calabi–Yau: Canonical Differential Equations an
 d Intersection Theory
DTSTART:20260204T103000Z
DTEND:20260204T113000Z
DTSTAMP:20260506T101700Z
UID:indico-event-15796@indico.math.cnrs.fr
CONTACT:cecile@ihes.fr
DESCRIPTION:Speakers: Sara Maggio (Department of Physics and Astronomy\, U
 niversity of Bonn)\n\nSeed Seminar of Mathematics and Physics\nWinter '26:
  Flavors of Amplitudes \nFeynman integrals whose associated geometries ex
 tend beyond the Riemann sphere\, such as elliptic and Calabi–Yau geometr
 ies\, are becoming increasingly relevant in modern precision calculations.
  They arise not only in collider cross-section computations\, but also in 
 gravitational-waves scattering.                            
                     A powerful approach to compute such integral
 s is based on systems of differential equations\, in particular when these
  can be brought into a canonical form\, in which their singularity structu
 re is manifest. In this talk\, I will show that canonical Feynman integral
 s do enjoy similar properties\, albeit different associated geometries\, a
 nd I will illustrate how intersection theory can be used to further study 
 and constrain the functions appearing in the amplitudes.\nPlus d’informa
 tions : https://seedseminar.apps.math.cnrs.fr/program/#february-4-2026\n=
 =======\nPour être informé des prochains séminaires vous pouvez vous ab
 onner à la liste de diffusion en écrivant un mail à sympa@listes.math.c
 nrs.fr avec comme sujet: "subscribe seminaire_mathematique PRENOM NOM"(ind
 iquez vos propres prénom et nom) et laissez le corps du message vide.\n\n
 https://indico.math.cnrs.fr/event/15796/
LOCATION:Amphithéâtre Léon Motchane (IHES)
URL:https://indico.math.cnrs.fr/event/15796/
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