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SUMMARY:Márton Hablicsek (Universiteit Leiden\, NL)
DTSTART:20201015T120000Z
DTEND:20201015T140000Z
DTSTAMP:20260423T005758Z
UID:AGNTISTA/19
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/AGNTISTA/19/
 ">Virtual Classes of Representation Varieties of Upper Triangular Matrices
  via Topological Quantum Field Theories</a>\nby Márton Hablicsek (Univers
 iteit Leiden\, NL) as part of Algebraic Geometry and Number Theory seminar
  - ISTA\n\n\nAbstract\nLet $X$ be an oriented closed connected surface. Th
 e set of group representations from the fundamental group of $X$ to an alg
 ebraic group $G$ has a structure of an algebraic variety. This variety is 
 called the $G$-representation variety of $X$. In this talk\, I will use a 
 geometric method developed by González-Prieto\, Logares\, Muñoz\, and Ne
 wstead to compute the virtual classes of $G$-representation varieties wher
 e $G$ is the group of complex upper-triangular matrices of rank 2\, 3\, or
  4. This is joint work with Jesse Vogel.\n
LOCATION:https://researchseminars.org/talk/AGNTISTA/19/
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