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SUMMARY:Hannah Bergner (Université de Freiburg) On varieties with locally
free logarithmic tangent sheaf
DTSTART;VALUE=DATE-TIME:20180323T130000Z
DTEND;VALUE=DATE-TIME:20180323T140000Z
DTSTAMP;VALUE=DATE-TIME:20190823T022444Z
UID:indico-event-2795@indico.math.cnrs.fr
DESCRIPTION:Let (X\,D) be a pair consisting of a normal complex variety an
d a\ndivisor D. In the talk\, I would like to investigate the relation\nbe
tween the geometry of (X\,D) and properties of the logarithmic vector\nfie
lds on X\, or dually the logarithmic 1-forms.\nIf X is smooth and D is snc
\, then the logarithmic tangent sheaf is\nlocally free. More generally\, t
his holds true if X is toric. In the\ntalk\, I will explain a theorem abo
ut the local converse of this\nstatement\, i.e. in which cases local freen
ess of the the logarithmic\ntangent sheaf implies that X has to be locally
toric.\n\nhttps://indico.math.cnrs.fr/event/2795/
LOCATION:Angers I 001
URL:https://indico.math.cnrs.fr/event/2795/
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