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During the 2025–26 academic year, the CMSA will be hosting a Colloquium series, organized by Tomer Ezra, Houcine Ben Dali, Francesco Mori, and Sunghyuk Park.

It will take place on Mondays from 4:30 – 5:30 pm (Eastern Time) in Room G10, CMSA, 20 Garden Street. All CMSA postdocs/members are required to attend the weekly CMSA Colloquium series as well as the weekly CMSA Members’ Seminars.

To subscribe to the CMSA Colloquium Mailing list, please visit this link.

The schedule will be updated as talks are confirmed.

  • Quantum K-theory at roots of unity

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

    Colloquium Speaker: Andrey Smirnov, University of North Carolina at Chapel Hill Title: Quantum K-theory at roots of unity Abstract: In this talk, I will discuss a version of quantum K-theory […]

  • Bass-Note Spectra of locally uniform geometries

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

    Colloquium Speaker: Peter Sarnak, IAS & Princeton University Title: Bass-Note Spectra of locally uniform geometries Abstract: We formulate and report on the problem of the Bass-Note Spectrum of an invariant operator […]

  • Thinking Outside the Ballot Box

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

    Colloquium Speaker: Ariel Procaccia, Harvard University Title: Thinking Outside the Ballot Box Abstract: How should one design unprecedented democratic processes capable of handling enormous sets of alternatives like all possible policies, […]

  • Factorizations for data analysis

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

    Colloquium Speaker: Anna Seigal, Harvard University Title: Factorizations for data analysis Abstract: We can find structure in data by factoring it into building blocks, which should be interpretable for the […]

  • Topological Manifolds – The First 100 Years

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

    Colloquium Speaker: Michael Freedman (Harvard CMSA and Logical Intelligence) Title: Topological Manifolds – The First 100 Years Abstract: I’ll review manifold topology in the topological category from its start with work of […]

  • Turbulent Mixing and Antagonistic Microorganisms

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

    Colloquium Speaker: David Nelson, Harvard Title: Turbulent Mixing and Antagonistic Microorganisms Abstract: Unlike coffee and cream that homogenize when stirred, growing micro-organisms (e.g., bacteria and baker’s yeast) can actively kill […]

  • Geometry of dimer models

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

    Colloquium Speaker: Alexei Borodin, MIT Title: Geometry of dimer models Abstract: Random dimer coverings of large planar graphs are known to exhibit unusual and visually apparent asymptotic phenomena that include formation of frozen regions and various phases in the […]

  • Rigidity, expansion and polytopes

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

    Colloquium Speaker: Eran Nevo (Hebrew University of Jerusalem) Title: Rigidity, expansion and polytopes Abstract: Given a graph G and an embedding of its vertices in R^d, what continuous motions of the vertices preserve […]

  • Interaction of Statistics and Geometry: A New Landscape for Data Science

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

    Colloquium Speaker: Zhigang Yao (National University of Singapore) Title: Interaction of Statistics and Geometry: A New Landscape for Data Science Abstract:  Classical statistics views data as real numbers or vectors in Euclidean […]

  • Geometric Simplicity in Quantum Field Theory and Gravity

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

    Colloquium Speaker: Thomas Grimm, Utrecht University Title: Geometric Simplicity in Quantum Field Theory and Gravity Abstract: In physics we attribute much value to the emergence of simplicity, both conceptually and […]

  • Asymptotic Theory of Attention: In-Context Learning and Sparse Token Detection

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

    Colloquium Speaker: Yue M. Lu, Harvard University Title: Asymptotic Theory of Attention: In-Context Learning and Sparse Token Detection Abstract: Attention-based architectures exhibit striking emergent abilities—from learning tasks directly from context to detecting rare, […]