Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Status Confirmed
Seminar Series SEM-DARBOUX
Subjects math,math.MP
Date Thursday 8 February 2018
Time 11:00
Institute LPTHE
Seminar Room bibliothèque
Speaker's Last Name Letellier
Speaker's First Name Emmanuel
Speaker's Email Address emmanuel [dot] letellier [at] imj-prg [dot] fr
Speaker's Institution IMJ-PRG
Title Character varieties and quiver representations
Abstract Character varieties (moduli space of representation of fundamental groups of Riemann surfaces) appear in many areas of mathematics and also in physics. The computation of their cohomology started with Hitchin's work in 1987 and ended only recently with the work of Mellit in 2017. I will outline this and explain the relation with quiver representations and associated DT-invariants as defined by Kontsevich and Soibelman.
arXiv Preprint Number

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