College of Natural & Agricultural Sciences

June 05, 2024 @ 4:00 pm
Skye 284
Bernard Leclerc Université de Caen, France   Real or Imaginary? These contrasting notions appear in several places in mathematics. Real or imaginary numbers, real or imaginary quadratic fields, real or imaginary roots in a root system ... In this talk I will consider new items in this list: real or imaginary…
May 15, 2024 @ 4:00 pm
Jian-Guo Liu, Duke University  Motivated by a study of least-action incompressible flows, we study all of the ways that a given convex body in Euclidean space can break into countably many pieces that move away from each other rigidly at constant velocity. Assuming they satisfy a least-action principle from optimal…
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