Math Grad Show and Tell Seminar: The surprising asymptotics of bingo
Surya Subbarao
Inspired by Okta Verify Bingo in the graduate lounge, consider an N by N square of cells. Every second, a uniformly random cell is chosen...
Math for AI Safety: Toy Models of Superposition
This semester, our reading group will focus on Interpretability Theory....
Permutation & Braid Actions on Decorated Flags
Ryuichi Man
A decorated flag is a nested sequence of linear subspaces, each equipped with a nonzero volume element. In this talk, we will introduce a...
STEM Info Sessions
STEM Summer Programs Information Session
October 15, 2026 - 4pm - 5pm / November 9, 2026 - 4pm - 5pm...
Dynamics seminar: Dynamics of the Secant Method and Other Monomial-Type Maps
Nick Freeman
We discuss the secant method, a root-finding algorithm alternative to Newton’s method. Given a rational map f : P^1 -> P^1, the secant...
Student Commutative Algebra: Valuation rings in characteristic p and Abhyankar valuations
Swayam Chube
This is basically an exposition of the paper "Frobenius and Valuation Rings" by Rankeya Datta and Karen Smith. We shall look at...
Student Number Theory: The Gross-Zagier formula
Beomseok Kwon
The Gross-Zagier formula relates the Néron-Tate height of a Heegner point to the central derivative of a Rankin L-function. Combined with...
Learning Seminar in Algebraic Combinatorics
Representation Theory and Lattice Models
In this talk, I will explain the representation theory related to lattice models and Nakajima’s quiver varieties.
Algebraic Geometry Seminar: Valuatively independent bases for Calabi-Yau varieties
Harold Blum (Georgia Institute of Technology)
From the perspective of the Gross-Siebert program, the mirror symmetry of Calabi-Yau varieties is governed by certain canonical bases for...
Student AIM Seminar: The State of Local LLMs
Horacio Moreno Montañes
In the last few months, there has been rapid development in the world of local LLMs, which can run in PCs and laptops with enough RAM and a...
RTG SEMINAR GeometryTopologyDynamics: TWO INVARIANTS OF TYPE-PRESERVING REPRESENTATIONS AND APPLICATIONS
Inyoung Ryu
Abstract: We investigate the representations of surface groups into PSL(2, R). For a closed surface, by the classical result of Goldman,...
DE Seminar: Wave Turbulence for Oscillator Chains
Katja Vassilev (UChicago)
In this talk, we discuss the wave turbulence properties of the Fermi-Pasta-Ulam-Tsingou (FPUT) system for coupled harmonic oscillators....
On the Algebra of Moving Window Calculations
Daniel Rockmore (Dartmouth)
Moving window calculations arise throughout applied mathematics, computer science, and engineering. Familiar examples include moving sums,...
Student Algebraic Geometry: Compactifications of Siegel Modular Varieties
Jacob Zweifler
The Siegel upper half-space H_g serves as a natural generalization of the upper half-plane. Indeed, just as M_{1,1} = A_1 is the quotient...
AIM Seminar: Geometry for Physics Simulation
Oliver Gross (Computer Science and Engineering, University of California San Diego)
Abstract: Advances in simulation and scientific machine learning have made computation an engine of discovery. For increasingly complex...
Topology seminar: Barbells and knotted things
Alison Tatsuoka (Princeton)
Abstract: In 2019, Budney and Gabai introduced a concrete way to construct diffeomorphisms of 4-manifolds called barbell diffeomorphisms. We...
GLNT: Arithmetic intersections on non-split Cartan modular curves
Jonathan Love (UM)
Abstract: Take two CM elliptic curves over a number field, each equipped with a level structure preserved by all endomorphisms. At which...
ISRMT Seminar: Many Body Asymptotics for the Toda Lattice
Amol Aggarwal (Stanford University)
Abstract: The Toda lattice prescribes the evolution of many particles interacting under certain Hamiltonian dynamics; it is an archetypal...
IBL Lunch
Come talk about teaching with IBL, interactive, and other active teaching methods over lunch. Bring teaching anecdotes, thoughts, and your...
Algebraic Geometry Seminar: Stable map resolutions of Richardson varieties
Allen Knutson (Cornell)
Given a circle action S on a projective variety X, we introduce the "stable map quotient" using Kontsevich's space of stable...
Recovering Geometry from Random Graphs
Han Huang
How much geometry can be recovered from a random graph? Consider points sampled from an unknown space, with edges drawn independently...
A New Approach for the Continuous Time Kyle-Back Strategic Insider Equilibrium Problem
Bixing Qiao, UM
In this talk, we consider a continuous-time Kyle-Back model which is a game between an insider and a market maker. The existing literature...
Dynamics seminar: Arithmetic polyhedra
Daniel Allcock, U(T) Austin
The Koebe-Andreev-Thurston construction associated to every combinatorial 3d polyhedron is a canonical 3d hyperbolic polyhedron, which...
Inverse problems over probability measure space
Qin Li, University of Wisconsin-Madison
Inverse problems are ubiquitous. Traditionally, the goal is to infer an unknown vector or function. But what if the unknown is a probability...
Organizing for abundance: How the mathematical community can adapt to the AI era
Note the unusual time (1pm instead of 4pm)!...
Topology seminar: Canonical bases of skein algebras, and categorification
Hyun Kyu Kim (KIAS)
Abstract: For an oriented surface S, the Kauffman bracket skein algebra of S is an algebra generated by isotopy classes of framed links in...
THE HEREDITARY LAWS OF LARGE NUMBERS
Ioannis Karatzas, Columbia University
The celebrated theorem of Komlos (1967) establishes L^1-boundedness as a sufficient condition for a sequence of measurable functions on a...
