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During the 2024-2025 academic year, the CMSA will be hosting a seminar organized by Mike Freedman on Fridays from 2:00 – 4:30 pm.

The seminar will take place in Room G10 at the CMSA, 20 Garden Street, Cambridge MA and will also be broadcast via Zoom.

Is every knot isotopic to the unknot?

Virtual

Freedman CMSA Seminar *via Zoom* Speaker: Sergey Melikhov, Steklov Math Institute Title: Is every knot isotopic to the unknot? Abstract: The following problem was stated by D. Rolfsen in his 1974 paper; according to R. Daverman it was being discussed since the mid-60s. Is every knot in $S^3$ isotopic (=homotopic through embeddings) to a PL knot --- […]