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UID:20250802T180510EDT-6810nNvGzb@132.216.98.100
DTSTAMP:20250802T220510Z
DESCRIPTION:Title: Canonical singularities and surfaces with big cotangent 
 bundle\n\nAbstract: Bigness of the cotangent bundle implies the Green-Grif
 fiths-Lang conjecture for surfaces. We introduce the canonical model singu
 larities (CMS) criterion for bigness of the cotangent bundle for surfaces.
  The CMS-criterion for bigness involves invariants for canonical singulari
 ties that we describe and we give formulas for A_n singularities. We apply
  the criterion to show the existence of deformations of hypersurfaces in $
 \PP^3$ with big cotangent bundle for degree $d\ge 8$ and discuss the missi
 ng cases $d=5\,6\,7$. The CMS-criterion leads to conjectures and answers a
 bout the geography of\n\nsurfaces with big cotangent bundle.\n\nLocation: 
 UQAM PK-5675\n
DTSTART:20241106T200000Z
DTEND:20241106T210000Z
SUMMARY:Bruno De Oliveira (University of Miami)	
URL:/mathstat/channels/event/bruno-de-oliveira-univers
 ity-miami-360877
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