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SUMMARY:Poincaré duality in equivariant intersection theory
DTSTART;VALUE=DATE-TIME:20140218T143000Z
DTEND;VALUE=DATE-TIME:20140218T150000Z
DTSTAMP;VALUE=DATE-TIME:20200807T163017Z
UID:indico-event-387@indico.math.cnrs.fr
DESCRIPTION:The aim of this talk is to provide a notion of Poincaré duali
ty for the Chow groups of singular varieties where a torus acts with finit
ely many fixed points. We relate this concept to the usual notion of Poinc
aré duality in the smooth and rationally smooth cases (e.g. Betti numbers
). Finally\, we characterize it in terms of equivariant multiplicities\, i
.e. certain rational functions having poles along hyperplanes associated t
o the weights of the action.\n\nhttps://indico.math.cnrs.fr/event/387/
LOCATION:IHES Amphitéâtre Léon Motchane
URL:https://indico.math.cnrs.fr/event/387/
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