Event Types
IBL Lunch
Come talk about teaching with IBL, interactive, and other active teaching methods over lunch. Bring teaching anecdotes, thoughts, and your...
Student Commutative Algebra: Openness of the Splinter Locus in Positive Characteristic
Zander Hill
A splinter is a ring R for which all finite ring extensions R -> S split as a map of R-modules. While this is a characteristic free...
Colloquium: Automorphic representations and optimal quantum logic gates
Rahul Dalal, Succinct
In this talk, I will describe a surprising connection between the Langlands program and designing efficient architectures for quantum...
Student Number Theory: An introduction to Borcherds lifts
Beomseok Kwon
Let L be an even lattice of signature (2, n). The Borcherds lifting takes a weakly holomorphic modular form f for Mp(2, ℤ) of weight 1-n/2...
Learning seminar in algebraic combinatorics: How to describe general torsion classes?
Yucong Lei
Last time we saw that we can describe torsion classes of quiver representations of Type A_n by bracket vectors. In this talk, I will give...
Algebraic Geometry Seminar: Intersections in the Bézout Range
Gregorio Baldi (Inst. Math. Jussieu)
Given subvarieties X, Y of a complex algebraic variety S of complementary dimension, must they intersect?...
Probability/Analysis Circle: Functional calculus calculus
Evangelos "Vaki" Nikitopoulos
If A is an n x n matrix, you might have seen the matrix e^A in a linear algebra or differential equations class. You might not, however,...
Geometry-Topology RTG Seminar: The generalized Lee--Szczarba conjecture on the cohomology of principal congruence subgroups
Urshita Pal (UM)
Abstract: I will discuss the rational cohomology of SL_nR, Sp_{2n}R, and their principal congruence subgroups for R a number ring....
Student AIM Seminar: Quasi-steady modeling predicts the dynamics of free-falling and flapping plates
Olivia Pomerenk (Brown University)
The flight of a thin wing or plate is an archetypal problem in flow-structure interactions at intermediate Reynolds numbers. Free-falling...
Algebraic Geometry Learning Seminar: Quadratic splittings and proof outline of the main theorem
Shiyue Li
Motivate and define the notion of a quadratic splitting of a matroid. Explain how the proof of the main theorem can be broken into a...
Geometry Seminar: Typical and Atypical Intersections: Geometry, Dynamics, and Applications
Gregorio Baldi
Many geometric spaces carry natural collections of special submanifolds that encode their internal symmetries. Examples include abelian...
Logic seminar: Infinitesimal and infinite numbers
Mauro di Nasso
Throughout the history of human thought, the nature of infinite and infinitesimal quantities has been investigated by the best minds, and...
Gamma conjecture I for flag varieties (Combinatorics Seminar)
Chi Hong Chow (Virginia Tech)
Gamma conjecture I, proposed by Galkin, Golyshev and Iritani, asserts that the limit of normalized Givental’s J-function of a Fano...
Student Algebraic Geometry: Iitaka conjecture
Zhi Zheng
The plurigenera and Kodaira dimension are important birational invariants for smooth projective varieties. In this talk, we will introduce...
AIM Seminar: Bootstrapping the Math and Physics of Scattering Amplitudes
Nick Geiser (University of Michigan)
Abstract: Scattering amplitudes A, or equivalently the S-matrix S = 1 + iA, are mathematical quantities which encode the quantum mechanical...
Algebraic Geometry Seminar: p-adic integration of hyperplane arrangements and geometric representation theory
Ruijie Yang (U. Kansas)
The Strong Monodromy Conjecture predicts a mysterious relationship between the non-Archimedean and Archimedean worlds. It suggests that, for...
DE Seminar(SPECIAL TIME): Finite time singularities in the Landau equation with very hard potentials
Jiajie Chen (U Chicago)
The Landau equation, introduced by Lev Landau in 1936, is one of the central equations in kinetic theory. We consider the Landau equation...
Probability and Analysis Seminar: Finite time singularities in the Landau equation with very hard potentials
Jiajie Chen (University of Chicago)
The Landau equation, introduced by Lev Landau in 1936, is one of the central equations in kinetic theory. We consider the Landau equation...
Learning MFG via MFAC Flow
Ruimeng Hu, UCSB
We introduce the Mean-Field Actor-Critic (MFAC) flow, a continuous-time learning dynamics for solving mean-field games (MFGs), drawing on...
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...
Algebraic Geometry Learning Seminar: Stable irrationality of cubic threefolds
Shend Zhjeqi
Explain Voisin’s work, which together with the non-algebraicity of the minimal class on the intermediate Jacobian implies stable...
DE Seminar: Nonuniqueness of solutions to the two-dimensional Euler equations with integrable vorticity
Anuj Kumar (UC Davis)
Yudovich established the well-posedness of the two-dimensional incompressible Euler equations for solutions with bounded vorticity. DiPerna...
Type theory seminar: Identity types
Kevin Ge
This is a learning seminar on dependent type theory, following Egbert Rijke's book "Introduction to Homotopy Type Theory."...
Random walks on the chambers of a hyperplane arrangement (Combinatorics Seminar)
Evita Nestoridi (SUNY Stony Brook)
Consider a real hyperplane arrangement and let C denote the collection of the occuring chambers. Bidigare, Hanlon and Rockmore introduced a...
AIM Seminar: Optimal scalar and vector transport using branching flows
Anuj Kumar (UC Davis)
Abstract: We are interested in the design of forcing in the Navier–Stokes equation such that the resultant flow maximizes the heat...
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...
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...
Algebraic Geometry Learning Seminar: The Mumford construction
Younghan Bae
Discuss the Mumford construction.
Type theory seminar: Universes
This is a learning seminar on dependent type theory, following Egbert Rijke's book "Introduction to Homotopy Type Theory."...
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...
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...
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...
