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Looking at 2 Spheres in R^3 with a Morse Theoretic Perspective

Tristan Riviere (ETH Zurich)

Location:  Hill 705
Date & time: Wednesday, 20 November 2019 at 3:30PM - 4:30PM

Abstract:  The Willmore Lagrangian is a functional that shows up in many areas of sciences such as conformal geometry, general relativity, cell biology, optics... We will try first to shed some lights on the universality of this Lagrangian. We shall then present the project of using the Willmore energy as a Morse function for studying the fascinating space of immersed 2-spheres in the Euclidian 3 space and relate topological obstructions in this space to integer values and minimal surfaces. 

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