We are delighted to announce that Professor Laura DeMarco was appointed the Hollis Professor of Mathematicks and Natural Philosophy. The Hollis Professorship is the second...
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Have reports of AI replacing mathematicians been greatly exaggerated? Artificial intelligence has attained an impressive series of feats — solving problems from the International Math...
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It is with heavy hearts that we say farewell to Professor Emeritus Benedict Gross, who passed away in December, 2025. Gross joined the Harvard Department of...
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CMSA EVENTS
NUMBER THEORY
ALGEBRAIC DYNAMICS, INFORMAL SEMINAR ON DYNAMICS, GEOMETRY AND MODULI SPACES
HARVARD-MIT COMBINATORICS
MATH TABLE
CMSA Differential Geometry and Physics Seminar
CMSA NEW TECHNOLOGIES IN MATHEMATICS
CMSA MEMBER SEMINAR
GAUGE THEORY AND TOPOLOGY
CMSA COLLOQUIUM
HARVARD-MIT ALGEBRAIC GEOMETRY
GEOMETRY AND QUANTUM THEORY
NUMBER THEORY
CMSA EVENTS
CMSA FREEDMAN SEMINAR
CMSA EVENTS
CMSA EVENTS
ALGEBRAIC DYNAMICS
ALGEBRAIC DYNAMICS
INFORMAL SEMINAR ON DYNAMICS, GEOMETRY AND MODULI SPACES
ALGEBRAIC DYNAMICS
ALGEBRAIC DYNAMICS
CMSA EVENTS
CMSA EVENTS
CMSA EVENTS
CMSA EVENTS
CMSA EVENTS
CMSA EVENTS
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Monday
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Tuesday
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Wednesday
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Thursday
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Friday
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Saturday
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Sunday
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0 events,
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2 events,
HARVARD-MIT ALGEBRAIC GEOMETRYHARVARD-MIT ALGEBRAIC GEOMETRY
From GIT to Baily-Borel: Moduli of hypersurfaces via minimal exponentsWhen: January 27, 2026
3:00 pm - 4:00 pm
Where: Science Center 507
Speaker: Sung Gi Park (Princeton University)
GEOMETRY AND QUANTUM THEORYGEOMETRY AND QUANTUM THEORY
The Quasi-Adiabatic Theorem and All ThatWhen: January 27, 2026
4:15 pm - 6:30 pm
Where: Science Center 507
Speaker: Daniel Spiegel (Harvard)
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3 events,
HARVARD-MIT COMBINATORICSHARVARD-MIT COMBINATORICS
Webs, pockets, and buildingsWhen: January 28, 2026
3:00 pm - 4:00 pm
Where: Science Center 232
Speaker: Joshua Swanson (USC)
HARVARD-MIT COMBINATORICSHARVARD-MIT COMBINATORICS
Richard P. Stanley Seminar in Combinatorics: the HOMFLY polynomial of a forest…..When: January 28, 2026
4:15 pm - 5:15 pm
Where: Science Center Hall E
Speaker: Amanda Schwartz (Michigan)
MATH TABLEMATH TABLE
Segments and Convexity in Metric SpacesWhen: January 28, 2026
4:30 pm - 5:30 pm
Where: Science Center 507
Speaker: Tian Vlasic - Harvard University
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2 events,
CMSA Differential Geometry and Physics SeminarCMSA Differential Geometry and Physics Seminar
Complete Calabi-Yau Metrics and Optimal TransportWhen: January 29, 2026
1:30 pm - 2:30 pm
Where: CMSA, 20 Garden St, G10
Speaker: Tristan Collins (UToronto)
ALGEBRAIC DYNAMICSALGEBRAIC DYNAMICS
O-minimality and an application to a variant of the DML conjectureWhen: January 29, 2026
4:00 pm - 6:00 pm
Where: Science Center 232
Speaker: Adam Melrod (Harvard)
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2 events,
CMSA MEMBER SEMINARCMSA MEMBER SEMINAR
Some results about saturationWhen: January 30, 2026
12:00 pm - 1:00 pm
Where: CMSA, 20 Garden St, Common Room
Speaker: Stephen Landsittel (Harvard CMSA)
CMSA FREEDMAN SEMINARCMSA FREEDMAN SEMINAR
Formulating 4D surgery for AI agentsWhen: January 30, 2026
2:00 pm - 4:15 pm
Where: CMSA, 20 Garden St, G10
Speaker: Slava Krushkal (University of Virginia)
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3 events,
CMSA QUANTUM FIELD THEORY AND PHYSICAL MATHEMATICS SEMINARCMSA QUANTUM FIELD THEORY AND PHYSICAL MATHEMATICS SEMINAR
Reflexive Polytopes and the Convergence of Feynman IntegralsWhen: February 2, 2026
3:00 pm - 4:00 pm
Where: CMSA, 20 Garden St, G102
Speaker: Pierre Vanhove (Institute of Theoretical Physics - Saclay)
HARVARD-MIT COMBINATORICSHARVARD-MIT COMBINATORICS
Induced matchings in point-line incidence graphsWhen: February 2, 2026
3:00 pm - 4:00 pm
Where: MIT Room 2-143
Speaker: Cosmin Pohoata (Emory University)
CMSA COLLOQUIUMCMSA COLLOQUIUM
Bijections for hyperplane arrangements of Coxeter typeWhen: February 2, 2026
4:30 pm - 5:30 pm
Where: CMSA, 20 Garden St, G10
Speaker: Olivier Bernardi (Brandeis University)
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2 events,
HARVARD-MIT ALGEBRAIC GEOMETRYHARVARD-MIT ALGEBRAIC GEOMETRY
Hilbert schemes of points and Fulton-MacPherson compactificationsWhen: February 3, 2026
3:00 pm - 4:00 pm
Where: MIT, Room 2-132
Speaker: Denis Nesterov (ETH Zurich)
GEOMETRY AND QUANTUM THEORYGEOMETRY AND QUANTUM THEORY
More on Kubota’s spectrum of invertible statesWhen: February 3, 2026
4:15 pm - 6:30 pm
Where: Science Center 507
Speaker: Bowen Yang (Harvard CMSA) | Dan Freed (Harvard CMSA)
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5 events,
CMSA Q&A SeminarCMSA Q&A Seminar
How can modern derived algebraic geometry be used to solve classical problems?When: February 4, 2026
1:00 pm - 2:00 pm
Where: CMSA, 20 Garden St, Common Room
Speaker: Ludmil Katzarkov (University of Miami)
CMSA NEW TECHNOLOGIES IN MATHEMATICSCMSA NEW TECHNOLOGIES IN MATHEMATICS
Automated Theory Formation and Interestingness in MathematicsWhen: February 4, 2026
2:00 pm - 3:00 pm
Where: CMSA, 20 Garden St, G10
Speaker: George Tsoukalas (UT Austin and Google DeepMind)
NUMBER THEORYNUMBER THEORY
A Lie-theoretic trichotomy in Diophantine geometry and arithmetic dynamicsWhen: February 4, 2026
3:00 pm - 4:00 pm
Where: Science Center 507
Speaker: Robin Zhang (MIT)
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3 events,
CMSA Differential Geometry and Physics SeminarCMSA Differential Geometry and Physics Seminar
Index from a pointWhen: February 5, 2026
1:30 pm - 2:30 pm
Where: CMSA, 20 Garden St, G10
Speaker: Monica Kang (Texas A&M University)
CMSA Differential Geometry and Physics SeminarCMSA Differential Geometry and Physics Seminar
On E7+1/2 gauge theoryWhen: February 5, 2026
2:45 pm - 3:45 pm
Where: CMSA, 20 Garden St, G10
Speaker: Yi-Nan Wang (Peking University)
ALGEBRAIC DYNAMICSALGEBRAIC DYNAMICS
From Manin–Mumford to Unlikely Intersections: The Relative Case and BeyondWhen: February 5, 2026
4:00 pm - 6:00 pm
Where: Science Center 232
Speaker: Chenxin Huang (Harvard)
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1 event,
CMSA MEMBER SEMINARCMSA MEMBER SEMINAR
Lie algebra cohomology and Seiberg-Witten theoryWhen: February 6, 2026
12:00 pm - 1:00 pm
Where: CMSA, 20 Garden St, Common Room
Speaker: Ahsan Khan (Harvard CMSA)
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1 event,
OTHER MATHEMATICS DEPARTMENT EVENTS
Introduction to Amplify Classroom: Learn to Build the Activity of your DreamsWhen: February 7, 2026
12:00 am - 11:59 pm
Where: Science Center B10
Speaker: Claudine Margolis - Amplify Education | Suzanne von Oy - Amplify Education
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0 events,
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2 events,
CMSA QUANTUM FIELD THEORY AND PHYSICAL MATHEMATICS SEMINARCMSA QUANTUM FIELD THEORY AND PHYSICAL MATHEMATICS SEMINAR
On the p-curvature of quantum connections of CY threefoldsWhen: February 9, 2026
3:00 pm - 4:00 pm
Where: CMSA, 20 Garden St, G102
Speaker: Shaoyun Bai (MIT)
CMSA COLLOQUIUMCMSA COLLOQUIUM
Phase Transition to Chaos in Complex Ecosystems with Non-reciprocal InteractionsWhen: February 9, 2026
4:30 pm - 5:30 pm
Where: CMSA, 20 Garden St, G10
Speaker: Pankaj Metha (Boston University)
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1 event,
MATHEMATICAL PICTURE LANGUAGEMATHEMATICAL PICTURE LANGUAGE
Superconducting pairing correlations on a 98-qubit trapped-ion quantum computerWhen: February 10, 2026
4:00 pm - 5:00 pm
Where: Virtually
Speaker: Henrik Dreyer (Quantinuum)
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4 events,
CMSA NEW TECHNOLOGIES IN MATHEMATICSCMSA NEW TECHNOLOGIES IN MATHEMATICS
ReLU and Softplus neural nets as zero-sum, turn-based, stopping gamesWhen: February 11, 2026
2:00 pm - 3:00 pm
Where: Virtually
Speaker: Yiannis Vlassopoulos (Athena Research Center)
NUMBER THEORYNUMBER THEORY
Bhargava’s conjecture over function fieldsWhen: February 11, 2026
3:00 pm - 4:00 pm
Where: Science Center 507
Speaker: Aaron Landesman (Harvard)
HARVARD-MIT COMBINATORICSHARVARD-MIT COMBINATORICS
On the correspondence between root systems and cluster algebrasWhen: February 11, 2026
4:15 pm - 5:15 pm
Where: Science Center Hall E
Speaker: Antoine De Saint-Germain (University of Hong Kong)
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2 events,
CMSA Differential Geometry and Physics SeminarCMSA Differential Geometry and Physics Seminar
Gromov-Hausdorff limits of collapsing Calabi-Yau fibrationsWhen: February 12, 2026
1:30 pm - 2:30 pm
Where: CMSA, 20 Garden St, G10
Speaker: Gabor Szekelyhidi (Northwestern University)
ALGEBRAIC DYNAMICSALGEBRAIC DYNAMICS
Height boundedness of (pre)periodic points of dominant rational self-mapsWhen: February 12, 2026
4:00 pm - 6:00 pm
Where: Science Center 232
Speaker: Yohsuke Matsuzawa (Osaka Metropolitan University)
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2 events,
CMSA MEMBER SEMINARCMSA MEMBER SEMINAR
A leisurely stroll through the theory of adjunctionsWhen: February 13, 2026
12:00 pm - 1:00 pm
Where: CMSA, 20 Garden St, Common Room
Speaker: Lorenzo Riva (Harvard CMSA)
GAUGE THEORY AND TOPOLOGYGAUGE THEORY AND TOPOLOGY
Nielsen realization problem for del Pezzo surfacesWhen: February 13, 2026
3:30 pm - 4:30 pm
Where: Science Center 507
Speaker: Seraphina Lee (Harvard)
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1 event,
GEOMETRY AND QUANTUM THEORYGEOMETRY AND QUANTUM THEORY
Geometric structures on gauge theoretic moduli spacesWhen: February 17, 2026
4:15 pm - 6:30 pm
Where: Science Center 507
Speaker: Saman Habibi Esfahani (Harvard CMSA)
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3 events,
CMSA Q&A SeminarCMSA Q&A Seminar
How does one navigate the job market as a postdoc in 2026?When: February 18, 2026
1:00 pm - 2:00 pm
Where: CMSA, 20 Garden St, Common Room
Speaker: Dan Freed (Harvard CMSA)
NUMBER THEORYNUMBER THEORY
ℓ-adic Images of Galois for Elliptic Curves over $\mathbb Q$When: February 18, 2026
3:00 pm - 4:00 pm
Where: Science Center 507
Speaker: David Zureick-Brown (Amherst College)
HARVARD-MIT COMBINATORICSHARVARD-MIT COMBINATORICS
A Family of Schubert Structure CoefficientsWhen: February 18, 2026
4:15 pm - 5:15 pm
Where: MIT, Room 2-132
Speaker: Vasu Tewari (University of Toronto)
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2 events,
CMSA Differential Geometry and Physics SeminarCMSA Differential Geometry and Physics Seminar
Topics In The Relation Of Four-Manifold Invariants And Supersymmetric Field TheoryWhen: February 19, 2026
1:30 pm - 2:30 pm
Where: CMSA, 20 Garden St, G10
Speaker: Greg Moore (Rutgers)
GEOMETRY AND QUANTUM THEORYGEOMETRY AND QUANTUM THEORY
Constructing oriented TQFTs from twisted pivotal tensor categoriesWhen: February 19, 2026
3:30 pm - 4:30 pm
Where: CMSA, 20 Garden St, G10
Speaker: William Stewart (Technical University of Munich)
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2 events,
CMSA MEMBER SEMINARCMSA MEMBER SEMINAR
Theory of Task-Adapted Dynamics in Large Recurrent Neural NetworksWhen: February 20, 2026
12:00 pm - 1:00 pm
Where: CMSA, 20 Garden St, Common Room
Speaker: Blake Bordelon (Harvard)
GAUGE THEORY AND TOPOLOGYGAUGE THEORY AND TOPOLOGY
Surgeries on knots and tight contact structuresWhen: February 20, 2026
3:30 pm - 4:30 pm
Where: Science Center 507
Speaker: Shunyu Wan (Georgia Tech)
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0 events,
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0 events,
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3 events,
CMSA EVENTS
CMSA Mathematics and Biology I: Morphometry, Morphogenesis and MathematicsWhen: February 23, 2026 - March 14, 2026
8:00 am - 5:00 pm
Where: CMSA, 20 Garden St, G10
CMSA QUANTUM FIELD THEORY AND PHYSICAL MATHEMATICS SEMINARCMSA QUANTUM FIELD THEORY AND PHYSICAL MATHEMATICS SEMINAR
Abelian duality via derived geometryWhen: February 23, 2026
3:00 pm - 4:00 pm
Where: CMSA, 20 Garden St, G102
Speaker: Owen Gwilliam (UMass Amherst)
CMSA COLLOQUIUMCMSA COLLOQUIUM
Facets of link homologyWhen: February 23, 2026
4:30 pm - 5:30 pm
Where: CMSA, 20 Garden St, G10
Speaker: Mikhail Khovanov (John Hopkins)
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3 events,
HARVARD-MIT ALGEBRAIC GEOMETRYHARVARD-MIT ALGEBRAIC GEOMETRY
Isoresidual fibrations and the moduli space of pointed rational curvesWhen: February 24, 2026
3:00 pm - 4:00 pm
Where: Science Center 507
Speaker: Scott Mullane (University of Melbourne)
GEOMETRY AND QUANTUM THEORYGEOMETRY AND QUANTUM THEORY
Bi-HKT Manifolds, Sigma Models, Large N=4 and their String ConstructionsWhen: February 24, 2026
4:15 pm - 6:30 pm
Where: Science Center 507
Speaker: Max Hübner (Harvard CMSA)
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5 events,
NUMBER THEORYNUMBER THEORY
Second moments for 2-Selmer structures on elliptic curves, and applicationsWhen: February 25, 2026
3:00 pm - 4:00 pm
Where: Science Center 507
Speaker: Ashvin Swaminathan (Harvard)
ALGEBRAIC DYNAMICS, INFORMAL SEMINAR ON DYNAMICS, GEOMETRY AND MODULI SPACESALGEBRAIC DYNAMICS, INFORMAL SEMINAR ON DYNAMICS, GEOMETRY AND MODULI SPACES
Teichmüller theory via simple closed curvesWhen: February 25, 2026
4:00 pm - 6:00 pm
Where: Science Center 530
Speaker: Curt McMullen (Harvard University)
HARVARD-MIT COMBINATORICSHARVARD-MIT COMBINATORICS
Braid Group Presentations and Triangulations of the PermutahedronWhen: February 25, 2026
4:15 pm - 5:15 pm
Where: Science Center Hall E
Speaker: Colin Defant (Harvard)
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3 events,
CMSA Differential Geometry and Physics SeminarCMSA Differential Geometry and Physics Seminar
Higher Symmetries, Eta Invariants and Anomaly TheoriesWhen: February 26, 2026
1:30 pm - 2:30 pm
Where: CMSA, 20 Garden St, G10
Speaker: Mirjam Cvetic (UPenn)
CMSA NEW TECHNOLOGIES IN MATHEMATICSCMSA NEW TECHNOLOGIES IN MATHEMATICS
Scaling Stochastic Momentum from Theory to LLMsWhen: February 26, 2026
2:00 pm - 3:00 pm
Where: CMSA, 20 Garden St, G10
Speaker: Courtney Paquette (McGill University)
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3 events,
CMSA MEMBER SEMINARCMSA MEMBER SEMINAR
Gauge theory, from low dimensions to higher dimensions and backWhen: February 27, 2026
12:00 pm - 1:00 pm
Where: CMSA, 20 Garden St, Common Room
Speaker: Saman Habibi Esfahani (Harvard CMSA)
GAUGE THEORY AND TOPOLOGYGAUGE THEORY AND TOPOLOGY
Surgeries on knots and tight contact structuresWhen: February 27, 2026
3:30 pm - 4:30 pm
Where: Science Center 507
Speaker: Shunyu Wan (Georgia Tech)
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