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  • Topics in the Relation of Four-Manifold Invariants and Supersymmetric Field Theory

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

    Differential Geometry and Physics Seminar Speaker: Greg Moore, Rutgers University Title: Topics in the Relation of Four-Manifold Invariants and Supersymmetric Field Theory Abstract: We will begin with a review of topological […]

  • Constructing oriented TQFTs from twisted pivotal tensor categories

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

    Geometry and Quantum Theory Seminar Speaker: William Stewart Title: Constructing oriented TQFTs from twisted pivotal tensor categories Abstract: The cobordism hypothesis classifies n-dimensional oriented TQFTs in terms of SO(n) homotopy […]

  • Theory of Task-Adapted Dynamics in Large Recurrent Neural Networks

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

    Member Seminar Speaker: Blake Bordelon, CMSA Title: Theory of Task-Adapted Dynamics in Large Recurrent Neural Networks Abstract: Recurrent neural networks (RNNs) encode expressive and flexible dynamical systems which can adapt […]

  • Mathematics and Biology I: Morphometry, Morphogenesis and Mathematics

    CMSA 20 Garden Street Cambridge, Massachusetts 02138 United States

    Mathematics and Biology I: Morphometry, Morphogenesis and Mathematics Dates: February 23–March 11, 2026 Location: Harvard CMSA, Room G10, 20 Garden Street, Cambridge MA Mathematics, Morphometry and Morphogenesis is a 3-week program at […]

  • Bi-HKT Manifolds, Sigma Models, Large N=4 and their String Constructions

    Science Center 507 1 Oxford Street, Cambridge

    Geometry and Quantum Theory Seminar Speakers: Max Hübner, CMSA Title: Bi-HKT Manifolds, Sigma Models, Large N=4 and their String Constructions Abstract: We continue our review of Witten's paper "Instantons and […]

  • Scaling Stochastic Momentum from Theory to LLMs

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

    New Technologies in Mathematics Seminar Speaker: Courtney Paquette, McGill University Title: Scaling Stochastic Momentum from Theory to LLMs Abstract: Given the massive scale of modern ML models, we now often get only […]

  • Higher Symmetries, Eta Invariants and Anomaly Theories 

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

    Differential Geometry and Physics Seminar Speaker: Mirjam Cvetic, University of Pennsylvania Title: Higher Symmetries, Eta Invariants and Anomaly Theories Abstract: In recent years, much progress has been made in understanding the extra-dimensional […]

  • Gauge theory, from low dimensions to higher dimensions and back

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

    Member Seminar Speaker: Saman Habibi Esfahani, CMSA Title: Gauge theory, from low dimensions to higher dimensions and back Abstract: Almost thirty years ago, Donaldson and Thomas proposed extending powerful ideas […]

  • Inverse problems in soft and active matter

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

    Colloquium Speaker: L. Mahadevan, Harvard Title: Inverse problems in soft and active matter Abstract: How can one grow a face or a flower from a flat sheet? Fold a sheet […]

  • Solitonic Symmetry: Cohomology with TFT Coefficients

    Science Center 507 1 Oxford Street, Cambridge

    Geometry and Quantum Theory Seminar Speaker: Sanjay Raman, Harvard Title: Solitonic Symmetry: Cohomology with TFT Coefficients Abstract: We review the formalism of https://arxiv.org/pdf/2307.00939, which develops the theory of solitonic symmetry in quantum field […]

  • 2026 Ding Shum Lecture: Sanjeev Arora, Princeton

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    Harvard Science Center 1 Oxford Street, Cambridge, MA

    2026 Ding Shum Lecture Date: March 4, 2026 Time: 4:00 pm Location: Harvard Science Center Hall D & via Zoom Webinar Speaker: Sanjeev Arora, Princeton Title: How could a Superhuman […]