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Vector fields and moduli of canonically polarized surfaces in positive characteristic

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Speaker: 
Nikolaos Tziolas
Affiliation: 
MPIM, Bonn
Date: 
Thu, 2019-05-09 10:30 - 11:30
Location: 
MPIM Seminar Room

The purpose of this talk is to present some results about the geometry of smooth canonically polarized surfaces defined over a field of positive characteristic which have a nontrivial global vector field, equivalently non reduced automorphism scheme, and the implications that the existence of such surfaces has in the moduli problem of canonically polarized surfaces.

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