Event Types
Location
GLNT: Eigenvarieties over CM fields and Galois representations
Vaughan McDonald (Stanford)
Eigenvarieties are parameter spaces for certain p-adic automorphic forms of varying weight. These objects have become increasingly popular...
An introduction to Dirac geometry and reduction schemes for concurrent Dirac structures.
Alessandro Arsie (The University of Toledo)
I will provide first a gentle introduction to Dirac geometry, which is a way to unify pre-symplectic and Poisson geometry, as well as...
Colloquium: From face numbers to Frobenius
Eric Katz, Ohio State University
In 1971, McMullen conjectured a characterization of the face numbers of convex simplicial polytopes. This conjecture, dubbed the...
Probability/Analysis Circle: What is the Toda Lattice?
Peter Miller
To briefly answer the question in the title, the Toda lattice is a system of particles connected with springs having an exponential force...
Algebraic Geometry Seminar: Special valuations and automorphisms of affine log Calabi-Yau varieties
Yuchen Liu (Northwestern)
The notion of special valuations, i.e. finitely generated valuations inducing klt degenerations, plays an important role in the recent study...
2026 Ford Motor Company Distinguished Lecture in Physics | Organic Semiconductors – From OLED displays to new applications
Richard Friend, Professor of Physics (Cavendish Laboratory, University of Cambridge)
Lecture Abstract: Organic molecules with semiconducting properties are now used as the light-emitting diodes, LEDs, in organic LEDdisplays....
Outperforming a Benchmark with $\alpha$-Bregman Wasserstein divergence
Silvana Pesenti, Toronto
We consider the problem of active portfolio management, where an investor seeks the portfolio with maximal expected utility of the...
Bounding HSL Numbers: A Measure of the Nilpotency of Frobenius
Havi Ellers
Abstract: This thesis provides upper bounds for a certain singularity invariant, in the case where the underlying ring is in one of a few...
Student Real Analysis Reading Group
The Student Real Analysis Reading Group facilitated by Siwei Wang will meet every Thursday from 2:30–4:30 PM in East Hall 5822 from...
Sequential Decision Making with Offline Data and under Partial Observability
Chinmaya Kausik
What Makes Partially Observable Decision Making Tractable?...
Algebraic Geometry Learning Seminar: The Mumford construction
Younghan Bae
Discuss the Mumford construction.
Differential Equations Seminar: Einstein-Perfect Fluid Initial Data in General Relativity
David Maxwell, University of Alaska, Fairbanks
Fluids are a standard matter source for gravitation, going back to the early days of general relativity. Nevertheless, constructing initial...
Type theory seminar: Universes
Gavin Bell
This is a learning seminar on dependent type theory, following Egbert Rijke's book "Introduction to Homotopy Type Theory."...
Frobenius Identities in Combinatorics (Combinatorics seminar)
Eric Katz (Ohio State University)
Several recent proofs of unimodality theorems in combinatorics rely on unexpected identities satisfied by the volume map on combinatorially...
Student Algebraic Geometry: Calabi-Yau varieties, essential skeleta, and Berkovich spaces
Ying Wang
Associated to a Calabi--Yau (e.g. abelian varieties, K3 surfaces), one can associate an essential skeleton, which lives in the Berkovich...
AIM Seminar: Sensitivity limits from the geometry of nonequilibirum response
Sean Fancher (Biophysics, University of Michigan)
Abstract: Many biophysical processes can be accurately modeled as a system stochastically exploring a discrete and connected network of...
Saturday Morning Physics | Magnets and Amplitudes: A Glimpse into the Quantum Realm
Aaron Chan and Justin Berman (U-M Physics Graduate Students) Present the Van Loo Student Talks
Aaron Chan, "Extreme Magnetic Fields: How and Why"...
Friezes and geometry
Katie Waddle
Abstract: A fundamental problem in distance geometry aims to recover a finite tuple of points, viewed up to oriented isometry, from a small...
GLNT: Igusa stacks and the cohomology of Shimura varieties
Dongryul Kim (Stanford)
Abstract: Igusa stacks are $p$-adic geometric objects, recently introduced by Mingjia Zhang, that roughly parametrize ways to $p$-adically...
Invariants of Plabic Links
Amanda Schwartz
Abstract: Plabic graphs were introduced by Postnikov in order to study a stratification of the totally nonnegative Grassmannian. To each...
IBL Lunch
Come talk about teaching with IBL, interactive, and other active teaching methods over lunch. Bring teaching anecdotes, thoughts, and your...
Colloquium: Accelerating Earth system simulation
Peter Bosler, Sandia National Laboratories
Providing high-quality “actionable information” for strategic risk analysis is amongst the primary goals of the U.S. Dept. of Energy...
Algebraic Geometry Seminar -- Prym-Brill-Noether Theory for Covers of Elliptic Curves
David Jensen, University of Kentucky
Brill-Noether theory is the study of algebraic curves and their maps to projective space. A series of results in the 80's describe the...
Bid-Ask Martingale Optimal Transport
Valentin Tissot-Daguette, Bloomberg
Martingale Optimal Transport (MOT) provides a framework for robust pricing and hedging of illiquid derivatives. Classically, MOT enforces...
Algebraic Geometry Learning Seminar: Admissible resolutions
Hyunsuk Kim
Discuss the material in Section 4 of the paper. The main goals are to explain the statement of Theorem 3.15, to sketch the ideas in the...
On Fox’s trapezoidal conjecture (Combinatorics Seminar)
Karola Mészáros (Cornell)
Fox’s trapezoidal conjecture from 1962 states that the absolute values of the coefficients of the Alexander polynomial of alternating...
AIM Seminar: Particle Mechanics Applications to Hazards in Civil Engineering
Estéfan Garcia (University of Michigan)
Abstract: Many of the natural hazards that threaten infrastructure and communities are driven by particulate interactions and particle...
Colloquium: Homological stability of moduli spaces
Dan Petersen, Stockholm University
Homological stability has emerged over the past decades as an organizing principle in topology and beyond. Broadly speaking, many sequences...
Michigan Lectures in Algebraic Geometry and Topology: Stable homology of moduli spaces and moments in families of L-functions over function fields
Dan Petersen (Stockholm U.)
In recent years, several problems in arithmetic statistics that seem completely intractable over number fields, have been resolved in the...
Mean–Variance Portfolio Selection by Continuous-Time Reinforcement Learning: Algorithms, Regret Analysis, and Empirical Study
Xunyu Zhou, Columbia University
We study continuous-time mean–variance portfolio selection in markets where stock prices are diffusion processes driven by observable...
Student Real Analysis Reading Group
The Student Real Analysis Reading Group facilitated by Siwei Wang will meet every Thursday from 2:30–4:30 PM in East Hall 5822 from...
Michigan Lectures in Algebraic Geometry and Topology: Stable homology of moduli spaces and moments in families of L-functions over function fields
Dan Petersen (Stockholm U.)
In recent years, several problems in arithmetic statistics that seem completely intractable over number fields, have been resolved in the...
Michigan Lectures in Algebraic Geometry and Topology: Stable homology of moduli spaces and moments in families of L-functions over function fields
Dan Petersen (Stockholm U.)
In recent years, several problems in arithmetic statistics that seem completely intractable over number fields, have been resolved in the...
GLNT: How you think on a function defined on 0,1,…,N-1?
Shamgar Gurevich (University of Wisconsin--Madison)
Abstract: Between thousand to million times per day, your cellphone calculates the Fourier Transform (FT) of certain complex valued...
Algebraic Geometry Learning Seminar: From algebraicity to quadratic splittings of matroids
Mircea Mustata
Explain the proof of the key geometric result (Theorem 1.8 of the paper) behind the main theorem.
RTG NT:
3.1-3.2 of Darmon-Vonk
