Spiegelgasse 1, Lecture Room 00.003
Analysis Seminar: Armin Schikorra (University of Pittsburgh)
The degree of a map between two spheres of same dimension can be estimated by Sobolev norm of said map (of the right class). In this talk I will discuss to what extend this is possible for the Hopf degree as well – and why the estimate we have is “analytically optimal” but probably not “topologically optimal”. Joint work with J. Van Schaftingen.
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