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  • Finite locally free group schemes

    CMSA Room G10 CMSA, 20 Garden Street, Cambridge, MA, United States

    AI for the Working Mathematician Speaker: Akhil Mathew, University of Chicago Title: Finite locally free group schemes Abstract: The notion of a finite locally free group scheme is a natural generalization of the usual notion of a finite group. Lagrange's theorem states that all nth powers vanish in a group of order n. However, this need […]

  • Why do Feynman integrals know Calabi-Yau geometry?  

    CMSA Room G10 CMSA, 20 Garden Street, Cambridge, MA, United States

    Geometry and Mathematical Physics Seminar Speaker: Chuck Doran, CMSA & University of Alberta Title: Why do Feynman integrals know Calabi-Yau geometry? Abstract: Feynman integrals provide a rich source of Calabi-Yau geometry, but the geometric origin of these structures is often obscure. I will describe a simple point of view that begins with two-dimensional examples and […]

  • 4-manifold topology and collision rank of groups

    Virtual

    Freedman Seminar Speaker: Slava Krushkal (University of Virginia) Title: 4-manifold topology and collision rank of groups Abstract: I will introduce collision rank and show that groups of finite collision rank are good in the sense of topological 4-manifold theory. Finitely generated groups of collision rank two are shown to exist outside the class of subexponentially […]

  • Member Seminar

    CMSA Room G10 CMSA, 20 Garden Street, Cambridge, MA, United States

    Member Seminar Speaker: Lorenzo Riva, CMSA Title: Un-extending extended TQFTs Abstract: An ordinary topological quantum field theory (TQFT) assigns invariants to manifolds of dimensions n in a way that is compatible with cutting-and-gluing along submanifolds of dimension n-1. An extended TQFT assigns invariants that are also compatible with cutting along submanifolds of all codimensions. One way to […]

  • Workshop on Lagrangian Floer Theory and Applications

    Featured
    CMSA 20 Garden Street Cambridge, Massachusetts 02138 United States

    Workshop on Lagrangian Floer Theory and Applications Dates: September 28 – October 2, 2026 Location: CMSA G10, 20 Garden St., Cambridge MA 02138 This  workshop is part of the Lagrangian Floer Theory and Applications Program In Person Registration  Zoom Webinar Registration Speakers will include: Mohammed Abouzaid, Stanford University Kenneth Blakey, MIT Ciprian Bonciocat, Stanford Soham […]

  • Life on a Noisy Seascape: Extinction, Growth, and Diversity

    CMSA Room G10 CMSA, 20 Garden Street, Cambridge, MA, United States

    Colloquium Speaker: Mehran Kardar, MIT Title: Life on a Noisy Seascape: Extinction, Growth, and Diversity Abstract: Populations and communities rarely evolve in static environments; their fitness landscapes fluctuate across space and time, forming what may be called a noisy seascape. This talk examines how such variability modifies classical models of population dynamics and community stability. Beginning from the […]

  • AI for the Working Mathematician

    CMSA Room G10 CMSA, 20 Garden Street, Cambridge, MA, United States

    AI for the Working Mathematician Speaker: Harold Williams, USC Title: TBA

  • Geometry and Mathematical Physics Seminar

    CMSA Room G10 CMSA, 20 Garden Street, Cambridge, MA, United States

    Geometry and Mathematical Physics Seminar Speaker: Tobias Ekholm, Uppsala  

  • Member Seminar

    CMSA Room G10 CMSA, 20 Garden Street, Cambridge, MA, United States

    Member Seminar Speaker: Aaron Landesman