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.

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  • 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 […]