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Ribbon concordance of knots is a partial order

Geometry/Topology

Speaker: Ian Agol, UC Berkeley
Location: 2112 MSB
Start time: Tue, Dec 5 2023, 2:10PM

We will discuss the result in the title, answering a question  of Gordon. The proof makes use of representation varieties of the knot  group to SO(N). If there is time, we will discuss the prospect of answering some other questions from Gordon’s paper about ribbon concordance.