Group, Lie and Number Theory Seminar
NT RTG Lectures III: Sums of cocycles in collections of twists
Given nonzero integers d_1, d_2 and an elliptic curve E/Q, the Galois module E^{d_1d_2}[4] can be written as a subquotient of the Galois...
Complex Analysis, Dynamics and Geometry Seminar
The Yoccoz inequality and parabolic implosion
The Yoccoz inequality provides a bound on the size of the limbs of the Mandelbrot set, however this bound is not sharp in most cases. Near...
Student Algebraic Geometry Seminar
Planning Meeting
We'll plan the talks for the rest of the semester. Younger students are especially encouraged to attend; we'll try to schedule...
Operators in Complex Analysis Seminar
Gleason parts in hulls with no analytic discs
It was once conjectured that whenever a compact set in complex Euclidean space has a nontrivial polynomial hull, there must be an analytic...
Group, Lie and Number Theory Seminar
NT RTG Lectures IV
Speaker(s): Alexander Smith (Harvard University)
Special Events Seminar
Van Eenam Lecture #1: Mathematical Aspects of Arbitrage
We introduce models for financial markets and, in their context, the notions of portfolio rules and of arbitrage. The absence of arbitrage...
Student Arithmetic Seminar
Coleman Integration
R.Coleman has introduced a notion of p-adic integration in 1982. For algebraic curves, Coleman integration is an explicit way to integrate...
Financial/Actuarial Mathematics Seminar
Van Eenam Lecture 2: Conservative Diffusion as Entropic Gradient Flow
We provide a detailed probabilistic interpretation, based on stochastic calculus, for the variational characterization of conservative...
Algebraic Geometry Seminar
On rigid varieties with projective reduction
We will first give a low-tech introduction to rigid varieties and their formal models. Then we will state and discuss the main theorem which...
Special Events Seminar
Van Eenam Lecture #2: Conservative Diffusion as Entropic Gradient Flow
We provide a detailed probabilistic interpretation, based on stochastic calculus, for the variational characterization of conservative...
RTG Seminar on Geometry, Dynamics and Topology Seminar
Correlation decay for some isometric extensions of Anosov flows
I will briefly provide some historical context discussing known results on exponential correlation decay (or exponential mixing) for Anosov...
Financial/Actuarial Mathematics Seminar
Van Eenam Lecture 3: The Harrison-Shepp Equation and some of Its Offspring
In a pioneering article from 1981, Harrison and Shepp provided a stochastic integral equation characterizing the skew Brownian motion of Ito...
Differential Equations Seminar
Evaluating Quasi-local Angular Momentum and Center-of-Mass at Null Infinity
We calculate the limits of the quasi-local angular momentum and center-of-mass defined by Chen-Wang-Yau for a family of spacelike...
Special Events Seminar
Van Eenam Lecture #3: The Harrison-Shepp Equation and some of Its Offspring
In a pioneering article from 1981, Harrison and Shepp provided a stochastic integral equation characterizing the skew Brownian motion of Ito...
Junior Colloquium Series Seminar
Introduction to the Library or how your librarian can make your research easier and better and more fun
Introduction to the Library or how your librarian can make your research easier and better and more fun...
Applied Interdisciplinary Mathematics (AIM) Seminar
Levitating granular cluster: typical behavior and noise-induced rare events
Granular matter is ubiquitous in nature and exhibits a variety of nontrivial phenomena. In addition, granular medium is intrinsically far...
Combinatorics Seminar
Phase transition in random contingency tables with non-uniform margins
For parameters n, delta, B and C, let X be the random uniform contingency table whose first n^{delta} rows and columns have margin BCn and...
Geometry Seminar
Generalized Derivatives
Quasiregular mappings are only differentiable almost everywhere. There is, however, a satisfactory replacement for the derivative at points...
Preprint Algebraic Geometry Seminar
Successive minima of line bundles, following Ambro and Ito
http://front.math.ucdavis.edu/1901.09341 Speaker(s): Devlin Mallory (UM)
Complex Analysis, Dynamics and Geometry Seminar
Misiurewicz polynomials and irreducibility
Consider the unicritical polynomial family $f_{c}(x)=x^d+c$. The $c$-values for which the polynomial has a strictly preperiodic critical...
Integrable Systems and Random Matrix Theory Seminar
Covariance Kernel for Half-Heavy Random Matrix Eigenvalues
Abstract: Matrices with heavy-tailed entries are extremely hard to...
Teaching Mathematics Seminar
Learning Community on Inclusive Teaching Discussion
Details about the Learning Community may be found at...
Colloquium Series Seminar
Derived categories of cubic fourfolds and their geometric applications
A fundamental problem in algebraic geometry is to determine whether a given algebraic variety is birational to projective space. This is...
Financial/Actuarial Mathematics Seminar
Deep Learning: Applications and Asymptotics
Deep learning has revolutionized image, text, and speech recognition. Motivated by this success, there is growing interest in developing...
Algebraic Geometry Seminar
The integral Hodge conjecture for CY2 categories
I will formulate a version of the integral Hodge conjecture for categories, discuss its proof for categories which are suitably deformation...
Differential Equations Seminar
Almost sure scattering for the energy-critical nonlinear wave equation
We will discuss the defocusing energy-critical nonlinear wave equation. For deterministic and smooth initial data, it is widely known that...
Quant Program Practitioner Seminar
Careers in Quantitative Finance
Dimitri Bianco is a U-M alum, risk manager, and Youtuber currently working as an associate director at Santandar Bank. He will speak about...
Applied Interdisciplinary Mathematics (AIM) Seminar
TBA
Speaker(s): Giovanni Russo (University of Catania)
Combinatorics Seminar
Total non-negativity of some combinatorial matrices
Many combinatorial matrices --- such as those of binomial coefficients, Stirling numbers of both kinds, and Lah numbers --- are known to be...
Junior Colloquium Series Seminar
Solitons, Integrable Systems, and Asymptotics (Research at Michigan Series)
This talk is a gentle introduction to soliton theory and integrable systems, and the role played in practice by asymptotic analysis. We...
Preprint Algebraic Geometry Seminar
A stacky approach to crystals, following Drinfeld
https://arxiv.org/abs/1810.11853 Speaker(s): Shubhodip Mondal (UM)
