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SUMMARY:Stefan Schreieder (Leibniz University)
DTSTART:20200602T110000Z
DTEND:20200602T120000Z
DTSTAMP:20260423T021358Z
UID:ZAG/19
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/ZAG/19/">Equ
 ality in the Bogomolov-Miyaoka-Yau inequality in the non-general type case
 </a>\nby Stefan Schreieder (Leibniz University) as part of ZAG (Zoom Algeb
 raic Geometry) seminar\n\n\nAbstract\nWe classify all good minimal models 
 of dimension n and with vanishing Chern number $c_1^{n-2}c_2(X)=0$\, which
  corresponds to equality in the Bogomolov-Miyaoka—Yau inequality in the 
 non-general type case. Here the most interesting case is that of Kodaira d
 imension n-1\, where any minimal model is known to be good. Our result sol
 ves completely a problem a Kollar. In dimension three\, our approach toget
 her with previous work of Grassi and Kollar also leads to a complete solut
 ion of a conjecture of Kollar\, asserting that on a minimal threefold\, c_
 1c_2 is either zero or universally bounded away from zero. Joint work with
  Feng Hao.\n
LOCATION:https://researchseminars.org/talk/ZAG/19/
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