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Algebraic Geometry Seminar - Junmyeong Jang(Ulsan University)

posted May 9, 2012, 6:56 PM by Jihye Jung   [ updated May 9, 2012, 6:56 PM ]
- Title : The semi-positivity theorem and the generic p-rank for a semi-stable fibration.
 
- Speaker : Junmyeong Jang(Ulsan University)
 
- Date & Time :  8 May , 2012 (TUE) 16:00~17:00
 
- Place : Math Science Building room 208
 
 -  Abstract
 
    In this talk, we will see over a field of positive charactersitic, the semi-positivity theorem for a semi-stable fibered surface is related to the p-rank. Using this result we will construct a counterexample of the Miyaoka-Yau inequality with smooth Picard scheme.
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