Name: Incentives for data sharing in federated learning
Start: 2025-05-02T12:00:00+00:00
End: 2025-05-02T13:00:00+00:00
Location: CMSA, 20 Garden St, Common Room

news

$A black and white headshot of Harvard math PhD graduate and 2025 Maryam Mirzakhani New Frontiers Prize winner Si Ying Lee.$

Si Ying Lee Receives 2025 Maryam Mirzakhani New Frontiers Prize

Congratulations to Harvard math PhD graduate Si Ying Lee, currently Szegö Assistant Professor at Stanford University, for receiving the 2025 Maryam Mirzakhani New Frontiers Prize!...
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$A headshot of mathematician Dennis Gaitsgory looking at the camera.$

Dennis Gaitsgory Receives 2025 Breakthrough Prize in Mathematics

Congratulations to former Harvard math professor Dennis Gaitsgory, currently of the Max Planck Institute for Mathematic, for receiving the 2025 Breakthrough Prize in Mathematics! Gaitsgory...
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announcements

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upcoming events

SEMINARS: HARVARD-MIT COMBINATORICS

Positivity in cluster algebras and their generalizations & Tilted Richardson varieties

When: April 30, 2025

3:00 pm - 5:15 pm

Where: Science Center Hall A

Speaker: Amanda Burcroff (Harvard) | Jiyang Gao (Harvard)

SEMINARS

On the converse to Eisenstein’s last theorem

When: April 30, 2025

3:00 pm - 4:00 pm

Where: Science Center 507

Speaker: Daniel Litt (Toronto)

$A poster with details about the April 30, 2025 Harvard Math Table talk.$

On the Power of Proof: Characterizing the Gap Between Provability and Truth

When: April 30, 2025

4:30 pm - 5:30 pm

Where: Science Center 507

Speaker: Ava Zinman - Harvard

CMSA EVENTS: CMSA MATHEMATICAL PHYSICS AND ALGEBRAIC GEOMETRY SEMINAR

From superspace to twisted supergravity

When: May 1, 2025

10:00 am - 11:00 am

Where: CMSA, 20 Garden St, G10

Speaker: Fabian Hahner (University of Washington)

CMSA EVENTS: CMSA MEMBER SEMINAR

Incentives for data sharing in federated learning

When: May 2, 2025

12:00 pm - 1:00 pm

Where: CMSA, 20 Garden St, Common Room

Speaker: Han Shao (Harvard)

CMSA EVENTS

Summer School in Total Positivity and Quantum Field Theory

When: June 2, 2025 - June 6, 2025

9:00 am - 5:00 pm

Where: CMSA, 20 Garden St, Common Room

CMSA EVENTS

Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras

When: June 30, 2025 - July 11, 2025

9:00 am - 5:00 pm

Where: CMSA, 20 Garden St, Common Room

CMSA EVENTS

Millennium Prize Problems Lecture – Michael Freedman: Poincaré Conjecture

When: September 17, 2025

5:00 pm - 6:00 pm

Where: Science Center Hall C

Speaker: Michael Freedman (Harvard CMSA)

CMSA EVENTS

Millennium Prize Problems Lecture – Sourav Chatterjee: Yang-Mills Existence and Mass Gap

When: October 15, 2025

5:00 pm - 6:00 pm

Where: Science Center Hall C

Speaker: Sourav Chatterjee (Stanford University)

CMSA EVENTS

Millennium Prize Problems Lecture – Pierre Deligne: Hodge Conjecture

When: November 12, 2025

5:00 pm - 6:00 pm

Where: Science Center Hall C

Speaker: Pierre Deligne (Institute for Advanced Study)

CMSA EVENTS

Millennium Prize Problems Lecture – Madhu Sudan: P vs NP Problem

When: December 3, 2025

5:00 pm - 6:00 pm

Where: Science Center Hall C

Speaker: Madhu Sudan (Harvard University

CMSA EVENTS

Millennium Prize Problems Lecture – Barry Mazur: Birch and Swinnerton–Dyer Conjecture

When: February 4, 2026

5:00 pm - 6:00 pm

Where: Science Center Hall C

Speaker: Barry Mazur (Harvard University)

CMSA EVENTS

Millennium Prize Problems Lecture – Javier Gómez-Serrano: Navier-Stokes Existence or Breakdown

When: March 11, 2026

5:00 pm - 6:00 pm

Where: Science Center Hall C

Speaker: Javier Gómez-Serrano (Brown University)

CMSA EVENTS

Millennium Prize Problems Lecture – Peter Sarnak: Riemann Hypothesis

When: April 15, 2026

5:00 pm - 6:00 pm

Where: Science Center Hall C

Speaker: Peter Sarnak (Institute for Advanced Study)

SEE ALL

March 31

CMSA EVENTS: CMSA QUANTUM FIELD THEORY AND PHYSICAL MATHEMATICS SEMINAR

Homotopical Methods for Free and Interacting Fermionic SPTs

When: March 31, 2025

3:00 pm - 4:00 pm

Where: CMSA, 20 Garden St, G10

Speaker: Cameron Krulewski (MIT)

There are no events on this day.

April 2

CMSA EVENTS: CMSA NEW TECHNOLOGIES IN MATHEMATICS

Learning Dynamical Transport without Data

When: April 2, 2025

2:00 pm - 3:00 pm

Where: CMSA, 20 Garden St, G10

Speaker: Michael Albergo (Harvard)

SEMINARS: HARVARD-MIT COMBINATORICS

Shuffling via transpositions

When: April 2, 2025

4:15 pm - 5:15 pm

Where: Science Center 232

Speaker: Evita Nestoridi (Stony Brook)

Random Mosaics in Machine Learning

When: April 2, 2025

4:30 pm - 5:30 pm

Where: Science Center 507

Speaker: Calvin Osborne - Harvard University

April 3

CMSA EVENTS: CMSA MATHEMATICAL PHYSICS AND ALGEBRAIC GEOMETRY SEMINAR

(Strictly) Non-minimal Elliptic Threefolds and the Distance Conjecture

When: April 3, 2025

10:00 am - 11:00 am

Where: CMSA, 20 Garden St, G10

Speaker: Rafael Álvarez García (Harvard University)

SEMINARS: THURSDAY SEMINAR

Perfectoid spaces and diamonds (ctd)

When: April 3, 2025

3:30 pm - 5:30 pm

Where: Science Center 507

Speaker: Kush Singhal

SEMINARS: HARVARD-MIT COMBINATORICS

Bounds for 3-Progressions

When: April 3, 2025

4:00 pm - 5:00 pm

Where: MIT 2-139

Speaker: Zander Kelley (IAS)

April 4

Current Developments in Mathematics 2025

When: April 4, 2025 - April 5, 2025

12:00 am - 11:59 pm

Where: Science Center Hall D

Speaker: Michael Chapman - NYU | Pazit Haim-Kislev - Institute for Advanced Study | Jianfeng Lin - Tsinghua University | Laura Monk - University of Bristol | Ramon van Handel - Princeton University

CMSA EVENTS: CMSA MEMBER SEMINAR

Learning diffusion models in high-dimensions

When: April 4, 2025

12:00 pm - 1:00 pm

Where: CMSA, 20 Garden St, Common Room

April 4

Current Developments in Mathematics 2025

When: April 4, 2025 - April 5, 2025

12:00 am - 11:59 pm

Where: Science Center Hall D

There are no events on this day.

April 7

CMSA EVENTS: CMSA COLLOQUIUM

3-d Mirror Symmetry

When: April 7, 2025

3:00 pm - 4:00 pm

Where: CMSA, 20 Garden St, Common Room

Speaker: Matthew Yu (Oxford)

CMSA EVENTS: CMSA Geometry and Quantum Theory Seminar

A new tangential structure for type IIA string theory

When: April 7, 2025

3:00 pm - 4:00 pm

Where: Science Center 507

Speaker: Matthew Yu (Oxford)

April 8

CMSA EVENTS

CMSA/Tsinghua Math-Science Literature Lecture: Scott Sheffield (MIT)

When: April 8, 2025

8:00 am - 10:30 am

Where: CMSA, 20 Garden St, G10

Speaker: Scott Sheffield (MIT)

SEMINARS: HARVARD-MIT ALGEBRAIC GEOMETRY

The trace morphism and Poincaré duality in p-adic non-archimedean geometry

When: April 8, 2025

3:00 pm - 4:00 pm

Where: Science Center 507

Speaker: Bogdan Zavyalov (Princeton & IAS)

SEMINARS: MATHEMATICAL PICTURE LANGUAGE

Alterfold Theory and Entanglement Entropy

When: April 8, 2025

4:30 pm - 5:30 pm

Where: Jefferson 356

Speaker: Zhengwei Liu (Tsinghua University)

April 9

CMSA EVENTS: CMSA Q&A Seminar

The Mathematics of Voting

When: April 9, 2025

12:00 pm - 1:00 pm

Where: CMSA, 20 Garden St, Common Room

Speaker: Eric Maskin (Harvard)

CMSA EVENTS: CMSA NEW TECHNOLOGIES IN MATHEMATICS

Can Transformers Do Enumerative Geometry?

When: April 9, 2025

2:00 pm - 3:00 pm

Where: CMSA, 20 Garden St, G10

Speaker: Baran Hashemi (Technical University of Munich)

SEMINARS

Counting and Finding Rational Points on Surfaces

When: April 9, 2025

3:00 pm - 4:00 pm

Where: Science Center 507

Speaker: Jerson Caro (Boston University)

+ 1 More

April 10

CMSA EVENTS: CMSA MATHEMATICAL PHYSICS AND ALGEBRAIC GEOMETRY SEMINAR

3d Mirror Symmetry is 2d Mirror Symmetry

When: April 10, 2025

10:00 am - 11:00 am

Where: Virtually

Speaker: Ki Fung Chan (Chinese University of Hong Kong)

SEMINARS: THURSDAY SEMINAR

The two towers and the curve

When: April 10, 2025

3:30 pm - 5:30 pm

Where: Science Center 507

Speaker: Andrew Senger (Harvard)

SEMINARS: HARVARD-MIT COMBINATORICS

Non-existence probabilities and lower tails via Gibbs uniqueness on hypertrees

When: April 10, 2025

4:00 pm - 5:00 pm

Where: MIT 2-139

Speaker: Matthew Jenssen (King's College London)

+ 1 More

April 11

CMSA EVENTS: CMSA MEMBER SEMINAR

Homological Invariants in Translation-Invariant Pauli Stabilizer Codes

When: April 11, 2025

12:00 pm - 1:00 pm

Where: CMSA, 20 Garden St, Common Room

Speaker: Bowen Yang (Harvard)

There are no events on this day.

There are no events on this day.

April 14

CMSA EVENTS: CMSA QUANTUM FIELD THEORY AND PHYSICAL MATHEMATICS SEMINAR

The Extended Vertex Algebra of 4d N = 2 SCFTs and their Higher Products

When: April 14, 2025

3:00 pm - 4:00 pm

Where: CMSA, 20 Garden St, G10

Speaker: Mitch Weaver (KAIST)

CMSA EVENTS: CMSA COLLOQUIUM

3-d Mirror Symmetry

When: April 14, 2025

3:00 pm - 4:00 pm

Where: CMSA, 20 Garden St, Common Room

Speaker: Andrey Smirnov (University of North Carolina at Chapel Hill)

April 15

CMSA EVENTS: CMSA GENERAL RELATIVITY SEMINAR

Positive mass theorem for ALE(AE) and ALF(AF) Toric 4-Manifolds

When: April 15, 2025

11:00 am - 12:00 pm

Where: CMSA, 20 Garden St, G02

Speaker: Aghil Alaee (Clark University)

SEMINARS: HARVARD-MIT ALGEBRAIC GEOMETRY

Some finiteness results for the étale fundamental group in positive characteristics

When: April 15, 2025

3:00 pm - 4:00 pm

Where: Science Center 507

Speaker: Vasudevan Srinivas (Univ. of Buffalo)

CMSA EVENTS: CMSA Geometry and Quantum Theory Seminar

Instantons on Taub-NUT space and Bow Construction

When: April 15, 2025

4:15 pm - 6:15 pm

Where: Science Center 507

Speaker: Anadil Saeed Rao (Northeastern University)

+ 2 More

April 16

CMSA EVENTS: CMSA Q&A Seminar

What is length generalization in large language models?

When: April 16, 2025

12:00 pm - 1:00 pm

Where: CMSA, 20 Garden St, Common Room

Speaker: Noah Golowich (MIT)

SEMINARS

Variations on a theme of Faltings

When: April 16, 2025

3:00 pm - 4:00 pm

Where: Science Center 507

Speaker: Jared Weinstein (Boston University)

SEMINARS: HARVARD-MIT COMBINATORICS

Surface cluster algebras and their bases

When: April 16, 2025

4:15 pm - 5:15 pm

Where: Science Center 232

Speaker: Fan Qin (Beijing Normal University)

+ 1 More

April 17

SEMINARS: THURSDAY SEMINAR

Drinfeld Upper Half Space and its Cohomology

When: April 17, 2025

3:30 pm - 5:30 pm

Where: Science Center 507

Speaker: Linus Hamann (Harvard)

SEMINARS: HARVARD-MIT COMBINATORICS

Quasipolynomial Bounds for the Corners Theorem

When: April 17, 2025

4:00 pm - 5:00 pm

Where: MIT 2-139

Speaker: Mehtaab S. Sawhney (Columbia University)

SEMINARS: ALGEBRAIC DYNAMICS

The pentagram zoo and From positive current to positive measure

When: April 17, 2025

4:00 pm - 6:00 pm

Where: Science Center 232

Speaker: Max Weinreich (Harvard) | Laura DeMarco (Harvard)

+ 1 More

There are no events on this day.

There are no events on this day.

There are no events on this day.

April 21

CMSA EVENTS: CMSA COLLOQUIUM

Modeling the emergence of complex cortical structure from simple precursors in the brain: maps, hierarchies, and modules

When: April 21, 2025

4:30 pm - 5:30 pm

Where: CMSA, 20 Garden St, Common Room

Speaker: Ila Fiete (MIT)

April 22

CMSA EVENTS: CMSA GENERAL RELATIVITY SEMINAR

Hyperbolic equations in a double null gauge

When: April 22, 2025

11:00 am - 12:00 pm

Where: CMSA, 20 Garden St, G02

Speaker: Christopher Stith (University of Michigan)

SEMINARS: HARVARD-MIT ALGEBRAIC GEOMETRY

Brill-Noether for moduli spaces of sheaves on surfaces

When: April 22, 2025

3:00 pm - 4:00 pm

Where: Science Center 507

Speaker: Izzet Coskun (UIC)

CMSA EVENTS: CMSA Geometry and Quantum Theory Seminar

Classifying Space for Phases of Matrix Product States

When: April 22, 2025

4:15 pm - 6:15 pm

Where: Science Center 507

Speaker: Bryan Wang Peng Jun (Harvard University) | Bowen Yang (CMSA)

April 23

CMSA EVENTS: CMSA Q&A Seminar

Connections between physics and probability

When: April 23, 2025

12:00 pm - 1:00 pm

Where: CMSA, 20 Garden St, Common Room

Speaker: Alexei Borodin (MIT)

CMSA EVENTS: CMSA NEW TECHNOLOGIES IN MATHEMATICS

Machine learning for analytic calculations in theoretical physics

When: April 23, 2025

2:00 pm - 3:00 pm

Where: CMSA, 20 Garden St, G10

Speaker: Matthias Wilhelm (University of Southern Denmark)

SEMINARS: HARVARD-MIT COMBINATORICS

Infinite root systems in algebra and geometry & Enumeration in stochastic processes and polyhedral geometry

When: April 23, 2025

3:00 pm - 5:00 pm

Where: Science Center Hall A

+ 1 More

April 24

CMSA EVENTS: CMSA MATHEMATICAL PHYSICS AND ALGEBRAIC GEOMETRY SEMINAR

Mass gap in AdS space

When: April 24, 2025

10:00 am - 11:00 am

Where: CMSA, 20 Garden St, G10

Speaker: Ziming Ji (Northeastern University)

SEMINARS: THURSDAY SEMINAR

Drinfeld Upper Half Space and its Cohomology II

When: April 24, 2025

3:30 pm - 5:30 pm

Where: Science Center 507

Speaker: Linus Hamann (Harvard)

April 25

On the power of proof: characterizing the gap between provability and truth

When: April 25, 2025

10:00 am - 10:25 am

Where: Science Center 507

Speaker: Ava Zinman - Harvard AB 2025

Geometry, Topology, and Exotic Spheres

When: April 25, 2025

10:30 am - 10:55 am

Where: Science Center 507

Speaker: Lev Kruglyak - Harvard AB 2025

Painlevé VI: the search for canonical representations

When: April 25, 2025

2:00 pm - 2:45 pm

Where: Science Center 507

Speaker: Aaron Landesman - Harvard University

+ 2 More

There are no events on this day.

There are no events on this day.

April 28

CMSA EVENTS: CMSA COLLOQUIUM

Bass-Note Spectra of locally uniform geometries.

When: April 28, 2025

4:30 pm - 5:30 pm

Where: CMSA, 20 Garden St, Common Room

Speaker: Peter Sarnak (IAS & Princeton University)

April 29

SEMINARS: HARVARD-MIT ALGEBRAIC GEOMETRY

Geometry of Bernstein-Sato ideals

When: April 29, 2025

3:00 pm - 4:00 pm

Where: Science Center 507

Speaker: Lei Wu (Zhejiang University)

CMSA EVENTS: CMSA Geometry and Quantum Theory Seminar

Algebraic approach to the bow construction

When: April 29, 2025

4:15 pm - 6:15 pm

Where: Science Center 507

Speaker: Anadil Saeed Rao (Northeastern) | Vasily Krylov (CMSA/Harvard)

April 30

SEMINARS: HARVARD-MIT COMBINATORICS

Positivity in cluster algebras and their generalizations & Tilted Richardson varieties

When: April 30, 2025

3:00 pm - 5:15 pm

Where: Science Center Hall A

Speaker: Amanda Burcroff (Harvard) | Jiyang Gao (Harvard)

SEMINARS

On the converse to Eisenstein’s last theorem

When: April 30, 2025

3:00 pm - 4:00 pm

Where: Science Center 507

Speaker: Daniel Litt (Toronto)

On the Power of Proof: Characterizing the Gap Between Provability and Truth

When: April 30, 2025

4:30 pm - 5:30 pm

Where: Science Center 507

Speaker: Ava Zinman - Harvard

May 1

CMSA EVENTS: CMSA MATHEMATICAL PHYSICS AND ALGEBRAIC GEOMETRY SEMINAR

From superspace to twisted supergravity

When: May 1, 2025

10:00 am - 11:00 am

Where: CMSA, 20 Garden St, G10

Speaker: Fabian Hahner (University of Washington)

May 2

CMSA EVENTS: CMSA MEMBER SEMINAR

Incentives for data sharing in federated learning

When: May 2, 2025

12:00 pm - 1:00 pm

Where: CMSA, 20 Garden St, Common Room

Speaker: Han Shao (Harvard)

There are no events on this day.

There are no events on this day.

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