During the 2026–27 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.

To receive seminar announcements, subscribe to the mailing list.

  • 4-manifold topology and collision rank of groups

    Virtual

    Freedman Seminar Speaker: Michael Freedman, Harvard CMSA Title: The geometry of the Bing Involution Abstract: I’ll discuss a new sharper proof, joint with Mike Starbird that precisely quantifies the stretching […]