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Sunday, April 26, 2026
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Monday, April 27, 2026
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Tuesday, April 28, 2026
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April 28, 2026 -Coordinate ring of the universal centralizer via Demazure operators (Tom Gannon, UCR)
Coordinate ring of the universal centralizer via Demazure operators (Tom Gannon, UCR)
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 […]
Wednesday, April 29, 2026
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Thursday, April 30, 2026
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Friday, May 1, 2026
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Saturday, May 2, 2026
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