BIRS Workshop Lecture Videos

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BIRS Workshop Lecture Videos

Lipschitz minimality of group multiplication on the three-sphere Gluck, Herman


I will discuss the new result of Haomin Wen, a graduate student at Penn, that group multiplication on the three-sphere is a Lipschitz constant minimizer in its homotopy class, unique up to composition with isometries of domain and range. The proof is based on some insightful new geometric inequalities.\\r\\n\\r\\nIn the talk I will provide the background for Haomin’s result, and will end with a list of problems that point the way to future work.

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