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Seminar Calendar

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May 2026

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Friday, May 1st, 2026
12:00pm – 1:00pm
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► CANCELED: Center for Social Information Sciences (CSIS) Seminar

Baxter 125
This seminar has been canceled.
Lauren Conger, Graduate Student, Department of Control & Dynamical Systems, Caltech,
2:00pm – 3:00pm
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Geometry and Topology Seminar (1/2)

Linde Hall 310
A Steenrod Square for Knot Floer homology
Yan Tao, PhD Candidate, Department of Mathematics, UCLA,
3:00pm – 4:00pm
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Geometry and Topology Seminar (2/2)

Linde Hall 310
Orientations in Real Heegaard-Floer theory
Ciprian Bonciocat, Graduate Student, Department of Mathematics, Stanford,
Monday, May 4th, 2026
4:00pm – 5:00pm
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[CANCELED] H.B. Keller Colloquium

Annenberg 105
Low-Dimensional Generation
Nisha Chandramoorthy, Assistant Professor, Department of Statistics, The University of Chicago,
Tuesday, May 5th, 2026
12:00pm – 1:00pm
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CMX Lunch Seminar

Annenberg 213
An approximation-theoretic tour of measure-to-measure operator learning
Nicholas Nelsen, Klarman Fellow, Department of Mathematics, Cornell University,
3:00pm – 4:00pm
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Mathematics and Machine Learning Seminar

East Bridge 114
Numerical differential geometry and machine learning; solving geometric PDEs motivated by string theory
Justin Tan, PhD Student, Department of Computer Science and Technology, Cambridge University,
Wednesday, May 6th, 2026
12:00pm – 1:00pm
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Logic Seminar

Online Event
Condensed Sets and the Solovay Model
Nathaniel Bannister, PhD Student, Department of Mathematics, Carnegie Mellon University,
3:00pm – 4:00pm
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Information, Geometry, and Physics Seminar

Linde Hall 310
Maximum information divergence from linear and toric models
Yulia Alexandr, Postdoc, Department of Mathematics, UCLA,
Thursday, May 7th, 2026
3:00pm – 4:00pm
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Analysis Seminar

Online Event
Inverse cascades in the Navier-Stokes equations
,
Stan Palasek, Veblen Fellow, Department of Mathematics, Princeton University and IAS,
4:00pm – 5:00pm
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Number Theory Seminar

Linde Hall 387
Exactness property of Breuil-Kisin functors \& Bloch-Kato Selmer groups
Evangelia Gazaki, Associate Professor, Department of Mathematics, University of Virginia,
Friday, May 8th, 2026
2:00pm – 3:00pm
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Geometry and Topology Seminar (1/2)

Linde Hall 310
What the Heat Trace Hears at Curved Corners
Sam Looi, Postdoc, Department of Mathematics, Caltech,
3:00pm – 4:00pm
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Geometry and Topology Seminar (2/2)

Linde Hall 310
Curvature-homogeneous 4-manifolds
Renato Ghini Bettiol, Associate Professor, Department of Mathematics, CUNY,
Tuesday, May 12th, 2026
12:00pm – 1:00pm
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CMX Lunch Seminar

Annenberg 213
Stable algorithms cannot reliably find isolated perceptron solutions
Shuangping Li, Assistant Professor, Statistics and Data Science, Yale University,
12:00pm – 1:00pm
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Math Graduate Student Seminar

Linde Hall 255
Heavy repulsion of clusters in Bernoulli percolation
Tasmin Chu, Graduate Student, Department of Mathematics, Caltech,
Wednesday, May 13th, 2026
12:00pm – 1:00pm
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Logic Seminar

Online Event
Maximal unfriendliness of back-and-forth relations
Matthew Harrison-Trainor, Assistant Professor, Department of Mathematics, Statistics, and Computer Science, University of Illinois Chicago,
Thursday, May 14th, 2026
3:30pm – 4:30pm
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EE Devices Seminar- Sander Weinreb

Moore B280
New Era Radio Astronomy Objectives and Technology
4:00pm – 5:00pm
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Number Theory Seminar

Linde Hall 387
Reciprocity for L-functions twisted by Dirichlet characters
Rizwanur Khan, Associate Professor, Department of Mathematics, University of Texas at Dallas,
Friday, May 15th, 2026
2:00pm – 3:00pm
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Geometry and Topology Seminar (1/2)

Linde Hall 310
Isoperimetry by stretching
Kobe Marhsall-Stevens, Assistant Professor, Department of Mathematics, Johns Hopkins University,
3:00pm – 4:00pm
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Geometry and Topology Seminar (2/2)

Linde Hall 310
TBA
Frederico Franceschini, Assistant Professor, Department of Mathematics, Stanford,
Tuesday, May 19th, 2026
12:00pm – 1:00pm
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CMX Lunch Seminar

Annenberg 213
Radon-Wasserstein gradient flows for high-dimensional sampling
Elias Hess-Childs, Postdoctoral Researcher, Department of Mathematics, Carnegie Mellon University,
Elias Hess-Childs, Postdoctoral Scholar, Department of Mathematical Sciences, Carnegie Mellon University,
4:00pm – 5:00pm
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Wolff Memorial Lectures

Linde Hall 310
The Ramsey numbers: new results and new perspectives
Julian Sahasrabudhe, Professor, Department of Pure Mathematics and Mathematical Statistics (DPMMS), University of Cambridge,
Thursday, May 21st, 2026
4:00pm – 5:00pm
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Number Theory Seminar

Linde Hall 387
A vanishing theorem for residual Eisenstein cohomology
Samuel Mundy, Postdoc, Department of Mathematics, Princeton University,
Friday, May 22nd, 2026
3:00pm – 4:00pm
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Geometry and Topology Seminar

Linde Hall 310
Series Invariants for Plumbed 3-Manifolds
Nicola Tarasca, Associate Professor, Department of Mathematics and Applied Mathematics, Virginia Commonwealth University,
Tuesday, May 26th, 2026
4:00pm – 5:00pm
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Wolff Memorial Lectures 1/3

Linde Hall 310
The diagonal Ramsey numbers: New Upper bounds
Julian Sahasrabudhe, Professor, Department of Pure Mathematics and Mathematical Statistics (DPMMS), University of Cambridge,
Wednesday, May 27th, 2026
11:00am – 12:00pm
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EE Devices Seminar- François Leo

Moore B280
Temporal patterns and solitons in optical parametric oscillators
François Leo, Research Associate, University of Brussels.,
12:00pm – 1:00pm
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Logic Seminar

Online Event
Factor of iid coloring random maps
Riley Thornton, Postdoc, Department of Mathematics, Carnegie Mellon University,
4:00pm – 5:00pm
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Wolff Memorial Lectures 2/3

Linde Hall 310
The (almost) diagonal Ramsey numbers: Upper and lower bounds
Julian Sahasrabudhe, Professor, Department of Pure Mathematics and Mathematical Statistics (DPMMS), University of Cambridge,
Thursday, May 28th, 2026
12:00pm – 1:30pm
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AI and Math Discussion

Linde Hall 310
AI and Math Discussion
Dongmin (Merrick) Hua, Graduate Student, Department of Mathematics, Caltech,
3:00pm – 4:00pm
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Special Probability Seminar

Linde Hall 387
Discrete random matrices, fluctuations of random groups, and an interacting particle system
Roger Van Peski, Ritt Assistant Professor, Department of Mathematics, Columbia University,
4:00pm – 5:00pm
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Number Theory Seminar

Linde Hall 387
Number Field Counting via Multiple Dirichlet Series
Brandon Alberts, Assistant Professor, Department of Mathematics and Statistics, Eastern Michigan University,
4:00pm – 5:00pm
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Wolff Memorial Lectures 3/3

Linde Hall 310
The extreme off-diagonal Ramsey numbers: New progress on R(3,k)
Julian Sahasrabudhe, Professor, Department of Pure Mathematics and Mathematical Statistics (DPMMS), University of Cambridge,
4:30pm – 5:30pm
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Special CMX Seminar

Annenberg 213
The Star Geometry of Regularizer Learning
Oscar Leong, Assistant Professor, Statistics and Data Science department, University of California, Los Angeles,
Friday, May 29th, 2026
1:00pm – 2:00pm
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Geometry and Topology Seminar (1/3)

Linde Hall 310
The Utility of Tangle Decompositions
Allison H. Moore, Associate Professor, Department of Mathematics and Applied Mathematics, Virginia Commonwealth University,
2:00pm – 3:00pm
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Geometry and Topology Seminar (2/3)

Linde Hall 310
Knot complements, series invariants and Lie superalgebra
John (Yoonseok) Chae, Researcher, Mathematical Physics and Topology, UC Davis,
3:00pm – 4:00pm
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Geometry and Topology Seminar (3/3)

Linde Hall 310
Deloopings of compact manifolds - a survey
Milo Moses, PhD Student, Department of Mathematics, Caltech,