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SUMMARY:Purity of crystalline strata
DTSTART;VALUE=DATE-TIME:20140623T124500Z
DTEND;VALUE=DATE-TIME:20140623T134500Z
DTSTAMP;VALUE=DATE-TIME:20200528T161450Z
UID:indico-event-456@indico.math.cnrs.fr
DESCRIPTION:Given an F-crystal C over a scheme S of positive characteristi
c p\, one can associate many reduced locally closed subschemes T of S defi
ned by the property that a suitable invariant of F-crystals is constant on
the fibres of C over points of S. A basic problem is to study different p
roperties of such locally closed subschemes T. In this talk\, we present a
survey of purity results for locally closed subschemes T of S\, including
some of them which were obtained by us and by the graduate student Jingha
o Li.\n\nhttps://indico.math.cnrs.fr/event/456/
LOCATION:IHES Amphithéâtre Léon Motchane
URL:https://indico.math.cnrs.fr/event/456/
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