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PRODID:-//University of Utah Math Department//Reduction of Brauer classes on K3 surfaces//EN
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X-WR-CALNAME:Reduction of Brauer classes on K3 surfaces
X-WR-CALDESC:Reduction of Brauer classes on K3 surfaces at University of Utah Mathematics Department
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UID:20211102T153000-sarah-frei@math.utah.edu
DTSTART;TZID=America/Denver:20211102T153000
DTEND;TZID=America/Denver:20211102T163000
DTSTAMP:20260925T144333Z
SUMMARY:Reduction of Brauer classes on K3 surfaces
DESCRIPTION:Speaker: Sarah Frei\, Rice University\n\nFor a very general polarized K3 surface over the rational numbers, it is a consequence of the Tate conjecture that the Picard rank jumps upon reduction modulo any prime. This jumping in the Picard rank is countered by a drop in the size of the Brauer group. In this talk, I will report on joint work …

LOCATION:Zoom

URL:http://math.utah.edu/agseminar/2021-11-02-sarah-frei/
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