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Number Theory Seminar: A relative Oda’s criterion

SEMINARS, NUMBER THEORY

October 11, 2023      3:00 pm
Speaker: Alex Betts - Harvard University

The Neron--Ogg--Shafarevich criterion asserts that an abelian variety over ℚp has good reduction if and only if the Galois action on its ℤℓ-linear Tate module is unramified (for ℓ different...
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CMSA General Relativity Seminar: Tidal Squeezing of Black Holes

CMSA GENERAL RELATIVITY SEMINAR, CMSA EVENTS

October 10, 2023      11:00 am
Speaker: Maria Rodriguez - Utah

Recent developments indicate that Kerr black holes do not deform when perturbed by a static external gravitational field. Relying on hidden symmetries, compelling progress has been achieved to explain that...
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Open Neighborhood Seminar: Stack-Sorting and Beyond

SEMINARS, OPEN NEIGHBORHOOD

October 4, 2023      4:30 pm
Speaker: Colin Defant - Harvard University

In 1990, West introduced the stack-sorting map, a combinatorially-defined operator on the set of permutations of size n that serves as a deterministic analogue of Knuth's stack-sorting machine. I will...
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