|Presenter||Zsuzsanna Dancso (The University of Sydney)|
|Session||Geometry and Topology|
Two problems in topology -- a 4-dimensional one regarding knotted surfaces in $\mathbb R^4$, and a two dimensional one about curves on surfaces -- reduce to the same problem in algebra: the Kashiwara-Vergne problem. But what do they have to do with each other? In this talk I will give a short introduction to the three problems, the known relationships between them, as well as the mysterious missing one. Joint work with Dror Bar-Natan.
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