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DTSTART:20161030T020000
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DTSTART:20160325T020000
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UID:calendar.49311.field_date.0@mathematics.huji.ac.il
DTSTAMP:20191116T232822Z
CREATED:20171228T141642Z
DESCRIPTION:Date: \n\n2:00pm to 3:35pm\n\n\n\n\nSee also: Topology & Geom
etry\, Events & Seminars\, SeminarsLocation: \n\nRoss building\, Hebrew Un
iversity (Seminar Room 70A)\n\n\nAbstract:\nDerived algebraic geometry is
a nonlinear analogue of homological algebra\, in which one keeps track of
syzygies among the relations among the defining equations of a variety\, a
nd higher analogues. It has important applications to intersection theory
and enumerative geometry.\nQuillen showed that cosimplicial schemes form a
good model for derived geometry: in characteristic zero\, the theory of c
osimplicial schemes is equivalent to that of differential graded schemes\,
while in positive characteristic\, the use of cosimplicial schemes is ess
ential\, since differential graded schemes do not behave well in that case
. In this talk\, however\, I focus on the case of characteristic zero.\nTh
e most important construction in derived geometry is the derived Maurer-Ca
rtan locus of a differential graded Lie algebra\, which is a derived schem
e having the Maurer-Cartan locus as its classical locus. This construction
is in fact closely related to the Chevalley-Eilenberg complex of cochains
for differential graded Lie algebras. In this talk\, I present a natural
cosimplicial scheme realizing the derived Maurer-Cartan locus\, whose defi
nition has the advantage of not requiring the theory of tensor products fo
r its construction. For this reason\, the construction may be expected to
have applications in analytic geometry and other generalizations of algebr
aic geometry.\nThe talk is based on the following preprint: http://front.m
ath.ucdavis.edu/1508.03007\nהאירוע הזה כולל שיחת וידאו ב-Google Hangouts.
\nהצטרף: https://plus.google.com/hangouts/_/mail.huji.ac.il/topology?hceid
=NXY1bW...\n\n Export\n \n\n \nsubscribe iCal
DTSTART;TZID=Asia/Jerusalem:20160615T140000
DTEND;TZID=Asia/Jerusalem:20160615T153500
LAST-MODIFIED:20180119T230007Z
SUMMARY:Topology & geometry\, Ezra Getzler (Northwestern University)\, 'The
derived Maurer-Cartan locus'
URL;TYPE=URI:https://mathematics.huji.ac.il/event/topology-geometry-ezra-ge
tzler-northwestern-university-derived-maurer-cartan-locus
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