During the 2025–26 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.

 

  • Freedman Seminar: Michael Freedman, CMSA & Bowen Yang, CMSA

    Virtual

    Freedman Seminar Speaker: Michael Freedman, Harvard CMSA Title: Sullivan's work on Lipschitz structures Abstract: I'll begin with an elementary, but now little known, piece of PL topology: engulfing. John Stalling […]

  • Freedman Seminar: Michael Freedman, CMSA & Bowen Yang, CMSA

    Virtual

    Freedman Seminar Speaker: Michael Freedman, Harvard CMSA Title: Sullivan’s work on Lipschitz structures Part II (but self-contained)   Speaker: Bowen Yang, CMSA Title: Deligne and Sullivan's work on complex bundles […]

  • Freedman Seminar: Mattie Ji, Penn and Jeongwan Haah, Stanford

    Hybrid

    Freedman Seminar Speakers: Mattie Ji (Penn) and Jeongwan Haah (Stanford) Mattie Ji Title: Quantum Cellular Automata via Algebraic K-Theory Abstract: Algebraic K-theory, on a very high level, is the study of […]

  • Exotic R^4’s are unclassifiable

    Virtual

    Freedman Seminar Speaker: Robert Gompf, UT Austin Title: Exotic R^4's are unclassifiable Abstract: We will use descriptive set theory to show that there is a precise sense in which exotic R^4's […]

  • Compression Is All You Need: Modeling Mathematics

    Virtual

    Freedman Seminar Speaker: Mike Freedman, Harvard CMSA Title: Compression Is All You Need: Modeling Mathematics Abstract: The talk will exposit a recent eponymous arXiv posting with coauthors Vitaly Aksenov, Eve […]