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SUMMARY:COW: Surfaces with exceptional monodromy. - Genival da Silva (Wash
 ington University\, St Louis)
DTSTART:20160421T103000Z
DTEND:20160421T113000Z
UID:TALK65104@talks.cam.ac.uk
CONTACT:Dr. J Ross
DESCRIPTION:There have been several constructions of family of varieties w
 ith exceptional monodromy group( Dettweiler-Reiter\, Yun). In most cases\,
  these constructions give Hodge structures with high weight. Nicholas Katz
  was the first to obtain Hodge structures with low weight( Hodge numbers n
 ot spread out) and geometric monodromy group G_2. In this talk I will desc
 ribe Katz's construction and give a geometric proof that the geometric mon
 odromy group of the family constructed by him is G_2.
LOCATION:CMS MR14
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