Galois Symmetries on Knot Spaces

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Date 11.11.2019
Hour 10:1511:15
Speaker Pedro Boavida de Brito, Instituto Superior Técnico Lisboa
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Category Conferences - Seminars

I’ll explain how the absolute Galois group of the rationals acts on a space which is closely related to the space of all knots. The path components of this space form a finitely generated abelian group which is, conjecturally, a universal receptacle for finite-type knot invariants. The added Galois symmetry allows us to extract new information about its homotopy and homology beyond characteristic zero. This is joint work with Geoffroy Horel.

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