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X-FROM-URL:https://eom.sdu.dk/events/ical/57db9f84-1fc3-4214-9955-0b4c7e37
 6933
X-WR-CALNAME:QM Research Seminar: Geometry and incompleteness of G2-moduli
  spaces
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TZID:Europe/Copenhagen
X-LIC-LOCATION:Europe/Copenhagen
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DTSTAMP:20260602T163443Z
DTSTART:20261028T030000
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DTSTAMP:20260602T163443Z
DTSTART:20260325T020000
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DESCRIPTION:[b]Speaker: Thibault Langlais[/b] (University of Oxford) [nl][
 nl]\n[b]Abstract:[/b][nl]\nThe Lie group G2 is one of the two exceptional
  cases in Berger's list of possible Riemannian holonomy groups. I will st
 art by introducing the basics of G2-geometry\, emphasizing its relation t
 o Calabi-Yau geometry in (real) dimension 4 and 6. The moduli spaces of G
 2-manifolds are smooth and carry a natural Riemannian metric\, analogous 
 to the Weil-Petersson metric\, whose properties are poorly understood. I 
 will show that certain singular G2-manifolds correspond to finite-distanc
 e limits in the moduli spaces\, which proves that G2-moduli spaces are ge
 nerally not complete. Time permitting\, I will also say a few words about
  the computation of curvatures.\n[nl]\n[nl]
DTEND:20240521T100000Z
DTSTAMP:20260602T163443Z
DTSTART:20240521T090000Z
LOCATION:Syddansk Universitet\, Campusvej 55\, 5230\, Odense M
SEQUENCE:0
SUMMARY:QM Research Seminar: Geometry and incompleteness of G2-moduli spac
 es
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