The US border was more boring than last time. Last time I got to tell the border guard all about strong monoidal functors from a free pregroup to the category of vector spaces
Replying to @_julesh_
Reminds me of this amazing acknowledgement in a paper of Hitoshi Murakami's: "Thanks are also due to an immigration officer at J. F. Kennedy Airport, who knows me by papers, for interesting and exciting discussion about quantum topology." https://arxiv.org/abs/1002.0126
11:46 AM - 21 Jan 2019
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