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Big Data Conference 2026 Dates: Sep. 3–4, 2026 Location: Harvard University CMSA, 20 Garden Street, Cambridge MA & via Zoom The Big Data Conference features speakers from the Harvard community as well as scholars from across the globe, with talks focusing on computer science, statistics, math and physics, and economics. Confirmed Speakers SueYeon Chung, Harvard […]
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Fall CMSA Welcome Event Date: September 3, 2026 Time: 4:15 pm Location: CMSA Common Room, 20 Garden Street, Cambridge MA All CMSA and Math affiliates are invited. |
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The Geometry of Machine Learning 2026 Dates: September 8–11, 2026 Location: Harvard CMSA, Room G10, 20 Garden Street, Cambridge MA 02138 & via Zoom Webinar Large language models are presently, and will increasingly, be complemented by other dimensions of intelligence: formal verification and energy-based optimizers, becoming parts of larger ecosystems. Can AIs reason geometrically and […]
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Geometry and Quantum Theory Seminar Speaker: Nikita Sopenko, CMSA Title: Quasi-local algebras and invertible phases of matter Abstract: In the algebraic approach to quantum field theory, observables localized in bounded regions form a net of von Neumann algebras generating what is known as a quasi-local algebra. I will discuss the classification of quasi-local algebras under […] |
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https://youtu.be/0wL8NlhxXcU AI for the Working Mathematician Speaker: Daniel Litt, University of Toronto Title: Working with LLMs to do high quality math Abstract: Much hay has been made of the capabilities of LLMs to do math autonomously, and indeed frontier models have resolved some long-standing, interesting open questions. But our goal is not to produce papers, but […] |
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Geometry and Mathematical Physics Seminar Speaker: Brian Williams, Boston University Title: Higher Virasoro algebras Abstract: I will introduce and classify central extensions of the dg Lie algebra of derived global sections of the tangent sheaf on the punctured d-disk for d > 1. Then, I will formulate and sketch the proof of a formal and […] |
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CMSA Special Lecture Time: 2:30 pm ET Date: Friday, Sep. 11, 2026 Location: Harvard Science Center Hall A & via Zoom Webinar Lecture Video https://youtu.be/TcEefrWrddA With the announcement this week that AI has finished off a solution to one of the Millennium Prize Problems, the Harvard CMSA will host this special lecture to […]
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Member Seminar Speaker: Elena Kim Title: A beginner's guide to quantum unique ergodicity Abstract: The Quantum Unique Ergodicity conjecture is one of the main open questions in quantum chaos. I will explain the conjecture and the progress towards its resolution. |
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Lagrangian Floer theory and Applications Program Dates: September 15–November 21, 2026 Location: CMSA G10, 20 Garden St., Cambridge MA 02138 This thematic program will focus on recent developments in Lagrangian Floer theory and applications. These include the development of family Floer theory, degeneration techniques, Floer homotopy theory in the Lagrangian case, Floer theory in prime […]
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Joint Math/CMSA Geometry and Quantum Theory Seminar Speaker: Dan Freed Title: Path integral quantization of particles via probability Abstract: This is the beginning of our study of Sourav Chatterjee's Gauge Theory Lecture Notes, a book-in-progress. This lecture follows Chapter 1, which covers the path integral quantization of a single particle. We begin in real time with […] |
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Ahlfors Lectures Dates: September 16 & 17, 2026 Time: 4:00–5:00 pm Location: Science Center Hall A Speaker: Mohammed Abouzaid (Stanford) Register to attend in person or online at: https://www.math.harvard.edu/event/ahlfors-lecture-series-mohammed-abouzaid/ September 16, 2026 Title: Framed bordism and nearby Lagrangians Abstract: The problem of understanding Lagrangian embeddings in symplectic manifolds remains a mystery. The simplest class […] 
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https://youtu.be/p_tb0IHjo74 CMSA/Tsinghua Math-Science Literature Lecture Date: September 16, 2026 Time: 9:00 - 10:30 am ET Location: CMSA G10, 20 Garden Street & via Zoom Webinar Speaker: Robert E. Gompf, University of Texas, Austin Title: On classifying smoothings of R^4–from the beginning to the present Abstract: The field of 4-manifold topology was born around 1981 with two […] |
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CMSA Special Seminar Speaker: Thanasis Fokas, University of Cambridge Title: Deformations to the Complex Plane, Novel Asymptotic Techniques, and the Large t- Asymptotics of the Riemann Zeta Function Abstract: The Unified Transform (also known as the Fokas method) is a powerful new method for solving boundary value problems for linear and for integrable nonlinear PDEs. For […]
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Mathematical Economics Seminar: Algorithmic Decision-Making Speaker: Ashesh Rambachan, MIT Title: Human Decisions and Machine Predictions in Multistage Systems Abstract: Many high-stakes decisions go through successive stages of human review before a final decision is made, complicating efforts to evaluate both the human decision-makers and algorithmic counterfactuals. We develop a framework for evaluating both humans and algorithms […]
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Joint Math/CMSA Geometry and Quantum Theory Seminar Speaker: Dan Freed, Harvard Title: Path integral quantization of particles via probability (Part 2) Abstract: I will pick up where I left off last week. The first half of the lecture will cover the general strategy of constructing a quantum system using Markov processes, as described in Section […] |
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CMSA Q&A Seminar Speaker: Hugh Woodin, Harvard Title: Truth, proof, and AI
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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 […] |
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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 […] |
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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 […]
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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 […] |
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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 […]
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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 […] |
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Joint Math/CMSA Geometry and Quantum Theory Seminar Speaker: Tomer Schlank Title: From Markov processes to path integrals Abstract: We will continue with Chapter 2 of the book and cover how we take the Markov process approach and Wick rotation to give a rigorous definition of path integrals. |
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CMSA Q&A Seminar Speaker: Denis Auroux, Harvard Title: What is Lagrangian Floer homology?
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AI for the Working Mathematician Speaker: Harold Williams, USC Title: An Informal Introduction to Formal Proofs Abstract: In this talk we will give an introduction to Lean, a programming language adapted to expressing and verifying proofs. Lean and its flagship library, mathlib, have been the focus of a dedicated user community for about a decade, […] |
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Geometry and Mathematical Physics Seminar Speaker: Tobias Ekholm, Uppsala |
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Member Seminar Speaker: Aaron Landesman Title: Painlevé VI: the search for canonical representations Abstract: In 1902, Painlevé classified second order differential equations whose only movable singularities are poles, thereby obtaining the six Painlevé equations. Algebraic solutions to Painlevé's sixth equation correspond to canonical triples of 2 by 2 complex matrices. One can alternatively view these […] |