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DTSTAMP:20210317T210000Z
UID:1615900970423@events.msu.edu
CATEGORIES:Conferences / Seminars / Lectures
DTSTART:20210317T210000Z
DTEND:20210317T220000Z
SUMMARY:Math Seminar Series
DESCRIPTION:
Algebra\n
\n
Daniel Bragg, University of California,
Berkeley, will be speaking.\n
\n
The seminar
title is "Compactifications of supersingular
twistor spaces."\n
\n
Contact Rajesh S Kulkarni
(kulkar23@msu.edu) for more information.\n
\n
Supersingular
twistor spaces are certain families
of K3 surfaces over A^1 associated to
a supersingular K3 surface. We will describe
a geometric construction that produces families
of K3 surfaces over P^1 which compactify
supersingular twistor spaces. The key input is
a construction relating Brauer classes of order
p on a scheme of characteristic p to certain
sheaves of twisted differential operators.
We will give some results on the geometry
of compactified supersingular twistor spaces,
and some applications.\n\n
Price: free\n
Sponsor: Department of Mathematics\n
Sponsor's Homepage: https://www.math.msu.edu/\n
Contact name: Department of Mathematics\n
Contact phone: (517) 353-0844\n
for more info visit the web at:\n
https://www.math.msu.edu/Seminars/CalendarView.aspx?month-of=September2016\n
LOCATION:Online via Zoom
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