Abstract:
We will discuss topological isotopy (i.e. homotopy through topological embeddings) and links in the $3$-sphere that are not isotopic to PL links (2011.01409 and/or something newer).
Zoom (new link!): https://zoom.us/j/97302991744 Access code: the Euler characteristic of the wedge of two circles
(the password is not the specified phrase but the number that it determines)
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