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DTSTART;TZID=America/Los_Angeles:20260428T121500
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SUMMARY:Coordinate ring of the universal centralizer via Demazure operators (Tom Gannon\, UCR)
DESCRIPTION:One of the key objects used in Ngo’s proof of the fundamental lemma is the group scheme of universal centralizers associated to a split reductive group G. In this talk\, we’ll discuss forthcoming work\, joint with Victor Ginzburg\, which describes the coordinate ring of the group scheme of universal centralizers in terms of the root datum of G using Demazure (or divided difference) operators. We will then discuss how our result follows from a more general computation on Weil restriction and\, time permitting\, we will discuss a potential generalization of our result to Coulomb branches.
URL:https://colleges.claremont.edu/ccms/event/antc-talk-tom-gannon-ucr/
LOCATION:Estella 2099
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
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DTSTART;TZID=America/Los_Angeles:20260505T121500
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DTSTAMP:20260424T204628
CREATED:20260119T224840Z
LAST-MODIFIED:20260209T235152Z
UID:3962-1777983300-1777986600@colleges.claremont.edu
SUMMARY:ANTC talk -- Michael Orrison (HMC)
DESCRIPTION:
URL:https://colleges.claremont.edu/ccms/event/antc-talk-michael-orrison-hmc/
LOCATION:Estella 2099
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
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DTSTART;TZID=America/Los_Angeles:20260908T121500
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DTSTAMP:20260424T204628
CREATED:20260417T223051Z
LAST-MODIFIED:20260417T223051Z
UID:4081-1788869700-1788873000@colleges.claremont.edu
SUMMARY:ANTC talk -- Michelle Manes (American Institute of Mathematics)
DESCRIPTION:
URL:https://colleges.claremont.edu/ccms/event/antc-talk-michelle-manes-american-institute-of-mathematics/
LOCATION:TBA
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
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