### IBL Workshops/Lectures Seminar

#### IBL Lunch

IBL lunch from 11:30am to 1:00pm. It will take place in the faculty lounge (4866 EH), and you should feel free to come for any length of...

### Understanding Social Communication Systems with Homology Theory

#### Nina Fefferman, Ecology and Evolutionary Biology, University of Tennessee Knoxville

Current theoretical explorations of social communication systems rely on dyadic network-based representations of knowledge sharing....

### Financial/Actuarial Mathematics Seminar

#### Sofic and percolative entropies of Gibbs measures on regular infinite trees

Consider a statistical physical model on the infinite $d$-regular tree $T_{d}$ described by a set of interactions $\Phi$. Let $\{G_{n}\}$ be...

### Complex Analysis, Dynamics and Geometry Seminar

#### Variational Formulas for the Period Matrix and Shimura-Teichmuller Curves (SPECIAL DAY AND TIME AND ROOM)

We will introduce a parametric jump problem used to study how differentials degenerate at the boundary of the moduli space of Riemann...

### Student Geometry/Topology Seminar

#### An introduction to Morse theory

A Morse function on a smooth manifold is a real-valued smooth function whose Hessian at every critical point is nonsingular. These functions...

### Student Commutative Algebra Seminar

#### Cohen-Lenstra distribution of modules

What is the probability that a finite m-torsion R-module H arises as the m-torsion of a "random" finite R-module?...

### Colloquium Series Seminar

#### Functoriality and Algebraic Cycles

The Langlands program is a vast generalization of classical reciprocity laws such as the law of quadratic reciprocity. One of the key...

### Geometry & Physics Seminar

#### An LG/LG mirror theorem between matrix factorizations and primitive forms.

A few years ago, He-Li-Shen-Webb proved that the Fan-Jarvis-Ruan-Witten theory (LG A-model) of almost all invertible quasihomogeneous...

### RTG Seminar on Geometry, Dynamics and Topology Seminar

#### Least dilatation of pure surface braids

The n-stranded pure surface braid group of a genus g surface can be described as the subgroup of the pure mapping class group of a surface...

### Student Arithmetic Seminar

#### Elliptic curve factorization

I will give a brief introduction to elliptic curves with the goal of presenting Lenstra's elliptic curve factorization algorithm. To present...

### Working Group on Anderson Localization Seminar

#### Introductory Meeting: Logistics and Plan

One of the fundamental findings of physics in the past century is that disorder can suppress the transport properties of waves. For...

### Commutative Algebra Seminar

#### Syzygies of homogeneous coordinate rings of abelian varieties (Joint w/ Algebraic Geometry)

Joint talk with the Algebraic Geometry Seminar....

### Topology Seminar

#### Spectral rigidity of q-differential metrics

When geometric structures on surfaces are determined by the lengths of curves, it is natural to ask which curvesÃ¢â‚¬â„¢ lengths do we...

### Algebraic Geometry Seminar

#### Syzygies of homogeneous coordinate rings of abelian varieties (**Note the unusual time and place!)

The topic of the talk is the study of syzygies of graded...

### Algebraic Geometry Seminar

#### Syzygies of homogeneous coordinate rings of abelian varieties (Joint w/ Commutative Algebra *NOTE UNUSUAL TIME/PLACE)

The topic of the talk is the study of syzygies of graded rings, more precisely homogeneous coordinate rings of algebraic varieties. These...

### Differential Equations Seminar

#### On global asymptotic stability for the LSW model

The LSW model, proposed independently around 1960 by Lifschitz-Slyozov and Wagner, is the simplest model for the phenomenon of Ostwald...

### Student Algebraic Geometry Seminar

#### Quasicoherent sheaves

In this talk, I'll introduce the notion of quasicoherent sheaves over a very general kind of geometric objects. The class of geometric...

### Geometry & Physics Seminar

#### Modular structures in Gromov-Witten theory and related topics

Conference webpage https://pages.uoregon.edu/yfshen/modular-gw.html Speaker(s): FRG Workshop (Jan 25-27, 2019)

### Geometry Seminar

#### Teichmueller's Theorem for Topological Branched Covers

Given a homeomorphism f between Riemann surfaces, Teichmueller's theorem states that there exists a unique quasiconformal map h, homotopic...

### Applied Interdisciplinary Mathematics (AIM) Seminar

#### Embedding and prediction of dynamical time series

In this talk, we overview two aspects of the analysis of time series generated from dynamical systems: state space reconstruction and time...

### Combinatorics Seminar

#### Frieze varieties of acyclic quivers

For each acyclic quiver Q we define a complex affine variety X(Q) called frieze variety. It is the Zariski closure of a set of points...

### Student AIM Seminar Seminar

#### The Ekman spiral and point vortex motion around boundaries

In this talk, I will present one of my favorite phenomena from geophysical fluid dynamics: the Ekman spiral. It can be thought of as a...

### Group, Lie and Number Theory Seminar

#### Generalized Prime Counting Functions and p-adic Interpolation

In the first half of this talk we will introduce the notion of a generalized prime counting function taking values in a vector space. We...

### Geometry & Physics Seminar

#### Categorical primitive forms: a case study of An singularities

We introduce a categorical analogue of SaitoÃ¢â‚¬â„¢s notion of primitive forms. For the category of matrix factorizations of An...

### Student Combinatorics Seminar

#### Hanna Neumann Conjecture

Speaker(s): Sameer Kailasa (University of Michigan)

### Colloquium Series Seminar

#### Homeostasis and Housekeeping Genes

Homeostasis occurs when an output variable remains approximately constant as an input parameter varies over an interval. Housekeeping genes...

### Algebraic Geometry Seminar

#### On the signed Euler characteristic property for subvarieties of abelian varieties.

Franecki and Kapranov proved that the Euler characteristic of a perverse sheaf on a semi-abelian variety is non-negative. This result has...

### Differential Equations Seminar

#### Boussinesq and Navier-Stokes patch-type solutions: Global regularity

The main goal of this talk is to show global regularity results for parabolic fluid interface problems, without assuming any smallness on...

### Geometry Seminar

#### Lattices of minimal covolume in SL(n,R)

A classical result of Siegel asserts that the (2,3,7)-triangle group attains the smallest covolume among lattices of SL(2, R). In general,...

### Applied Interdisciplinary Mathematics (AIM) Seminar

#### Three legs to stand on: vignettes from the study of locomotion

The study of multi-legged locomotion provides a rich collection of mathematical challenges. In this talk I will present three vignettes from...

### Junior Colloquium Series Seminar

#### Eigenvalues of large random matrices

I will discuss the distribution of the eigenvalues of a large Hermitian matrix when the matrix is chosen randomly. I will also talk about...

### Integrable Systems and Random Matrix Theory Seminar

#### TBA

Speaker(s): Guilherme Silva (University of Michigan)

### Teaching Mathematics Seminar

#### LCIT Discussion

A discussion session of our Learning Community on Inclusive Teaching. Speaker(s): Discussion

### Colloquium Series Seminar

#### Random groups from generators and relations

We consider a model of random groups that starts with a free group on...

### Financial/Actuarial Mathematics Seminar

#### Optimal consumption from investment and labor income in a unifying framework of admissibility

We consider a problem of optimal consumption from investment and labor income in an incomplete semimartingale market. We introduce a set of...

### RTG Seminar on Geometry, Dynamics and Topology Seminar

#### TBA

Speaker(s): Andy Putman (University of Notre Dame)