On the geometric approach to the Painlevé equivalence problem
Anton Dzhamay (BIMSA)
We show how the techniques from the Okamoto-Sakai geometric theory of Painlevé equations can be used to solve the Painlevé equivalence,...
IBL Lunch
Come talk about teaching with IBL, interactive, and other active teaching methods over lunch. Bring teaching anecdotes, thoughts, and your...
Geometry Seminar: Control theory, subRiemannian geometry, and variational principles
Richard Montgomery from the University of California, Santa Cruz
Abstract: I will describe some partial solutions to open problems in subRiemannian geometry and in the 3-body problem. Variational methods...
Colloquium: Simion Filip- Measure and Topological Rigidity Beyond Homogeneous Dynamics
University of Chicago
Abstract: To study the asymptotic behavior of orbits of a dynamical system, one can look at orbit closures or invariant measures. When the...
Learning seminar in algebraic combinatorics: Tropical linear spaces and buildings
Thomas Lam
In a previous lecture, we learnt about tropical linear spaces in terms of valuated matroids, or tropical Plucker vectors. In this talk,...
Algebraic Geometry Seminar: Anosov representations and Hodge theory
Simion Filip (U. Chicago)
Discrete subgroups of Lie groups are much studied and appear throughout mathematics. Anosov subgroups form a class which is intermediate...
Probability and Analysis Seminar: Singular perturbations of Hamilton–Jacobi equations in the Wasserstein space
Antonios Zitridis (U-M)
In this talk, I will present a singular perturbation problem for second-order Hamilton–Jacobi equations, focusing on the asymptotic...
Solving dynamic portfolio selection problems via score-based diffusion models
Ahmad Aghapour/ UM
In this paper, we tackle the dynamic mean-variance portfolio selection problem in a modelfree manner, based on (generative) diffusion...
GEOMETRY SEMINAR: Non-negative curvature on vector bundles over homotopy spheres.
K. Shankar (James Madison U)
The seminal theorem of Cheeger and Gromoll characterizes open manifolds of non-negative sectional curvature by showing that any such...
AIM Seminar: Operator-learning for quantum many-body dynamics
Yuanran Zhu (Lawrence Berkeley National Laboratory)
Abstract: Operator learning has undergone rapid development in recent years and gradually emerged as a transformative machine-learning...
Modular embeddings of Fuchsian groups
Matthew Stover
A Fuchsian group \Gamma has a modular embedding if its adjoint trace field is a totally real number field and every unbounded Galois...
Algebraic Geometry Learning Seminar: Nonarchimedean A-model F-bundles
Gleb Terentiuk
Explain the definition of the nonarchimedean A-model F-bundle, focusing on the case of varieties defined over an algebraically closed field.
GLNT: A local sign decomposition for symplectic self-dual Galois representations of rank two
Ashay Burungale (Texas)
We present a new structure on the first Galois cohomology of families of symplectic self-dual p-adic representations of $G_Qp$ of rank two....
Probability and Analysis Seminar: Quantum Remez inequality for fast query learning of d-local Hamiltonians
Alexander Volberg (Michigan State University)
How to learn a 2^n times 2^n matrix by asking approximately log n questions? Of course there is no way. But if we know the matrix is a...
DE Seminar: Quantum diffusion and random matrix theory
Adam Black (Berkeley)
The Schrödinger equation with a random potential serves as a simple model for the propagation of waves in a disordered medium. It is...
AIM Seminar: Multiscale Modeling, Simulation, and Analysis of Microstructure Evolution in Polycrystalline Materials
Yekaterina Epshteyn (University of Utah)
Abstract: Many technologically useful materials are polycrystals composed of small monocrystalline grains that are separated by grain...
Algebraic Geometry Learning Seminar: Decomposition theorems
Ritwick Bhargava
Explain the decomposition theorems for F-bundles.
On approximate Nash equilibria in mean field games
Nizar Touzi/NYU
We introduce a L-infinity notion of approximate Nash equilibrium which, unlike the standard one, guarantees a uniform small departure of...
AIM Seminar: Title TBA
Anton Ullrich (Carnegie Mellon University)
Abstract: TBA Contact: Selim Esedoglu
Algebraic Geometry Learning Seminar: Atoms I
Younghan Bae
The goal of this talk and the next one is to explain the definition and properties of Hodge atoms, as well as the nonrationality criterion...
Mean-field analysis for the training of overparameterized Deep ResNet
Zhiyan Ding/ UM
In this talk, I will present the mean-field analysis framework for overparameterized Deep ResNets. I will first establish the rigorous...
Differential Equations Seminar: From instability to singularity formation in incompressible fluids
Federico Pasqualotto, UCSD
In this talk, I will first review the singularity formation problem in incompressible fluid dynamics, describing how particle transport...
AIM Seminar: On ribbons that defy Gauss's Theorema Egregium: Why some molecules (and other structures) change shape as they grow
Cy Maor (Hebrew University of Jerusalem)
Abstract: Ribbons are elastic bodies that are thin and narrow. Many ribbons in nature, from seed pods to molecular assemblies, have...
Algebraic Geometry Learning Seminar: Atoms II
Jayden Wang
Continue where the previous talk left off in explaining the definition and properties of Hodge atoms, as well as the nonrationality...
IBL Lunch
Come talk about teaching with IBL, interactive, and other active teaching methods over lunch. Bring teaching anecdotes, thoughts, and your...