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SUMMARY:Miguel Abreu (Instituto Superior Técnico - University of Lisbon)
DTSTART:20220510T150000Z
DTEND:20220510T160000Z
DTSTAMP:20260423T022620Z
UID:Geolis/83
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Geolis/83/">
 Contact invariants of Q-Gorenstein toric contact manifolds and the Ehrhart
  (quasi-) polynomials of their toric diagrams</a>\nby Miguel Abreu (Instit
 uto Superior Técnico - University of Lisbon) as part of Geometria em Lisb
 oa (IST)\n\n\nAbstract\nQ-Gorenstein toric contact manifolds provide an in
 teresting class of examples of contact manifolds with torsion first Chern 
 class. They are completely determined by certain rational convex polytopes
 \, called toric diagrams. The main goal of this talk is to describe how th
 e cylindrical contact homology invariants of a Q-Gorenstein toric contact 
 manifold are related to the Ehrhart (quasi-)polynomial of its toric diagra
 m. This is part of joint work with Leonardo Macarini and Miguel Moreira (a
 rXiv:2202.00442).\n
LOCATION:https://researchseminars.org/talk/Geolis/83/
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