### Student Homotopy Theory Seminar

#### Characteristic classes

As characteristic classes is a broad topic I will mainly focus on Chern classes, more specifically their axiomatic definition and their...

### Student Arithmetic Seminar

#### Q-Rational Equivalences Between Curves

I will discuss issues which arise when studying Q-rational equivalences between curves which are equivalent over some field extension of Q....

### Algebraic Geometry Seminar

#### Picard ranks of reductions of K3 surfaces over global fields

For a K3 surface X over a number field with potentially good reduction everywhere, we prove that there are infinitely many primes modulo...

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

#### Measured laminations in flat and hyperbolic geometry

The set of simple closed curves is of integral importance in the study of Riemann surfaces; passing to its completion, the space of measured...

### Commutative Algebra Seminar

#### This talk is postponed because of the CRLT presentation 3-5. No seminar this week.

TBA Speaker(s): Zhan Jiang (University of Michigan)

### Topology Seminar

#### (SPECIAL TIME AND PLACE) New coordinates for TeichmÃ¼ller space and applications to flat and hyperbolic geometry

There is a deep yet mysterious connection between the hyperbolic and singular flat geometry of Riemann surfaces. Using Thurston and...

### Quant Program Practitioner Seminar

#### MSCI

Mark Schmude is a graduate of the University of Michigan's Master of Science in Financial Engineering program. He current works for...

### Applied Interdisciplinary Mathematics (AIM) Seminar

#### Building towards a scalable computational framework of ciliary-flow in complex geometries

Cilia are hair-like organelles that protrude from epithelial cell-surfaces. Being one of the most conserved micro-structures in nature,...

### Combinatorics Seminar

#### Chapoton triangles and nonkissing complexes

For any finite real reflection group W, Chapoton defined three polynomials enumerating combinatorial objects associated with W: the...

### Geometry Seminar

#### Spectrum and abnormals in sub-Riemannian geometry

We prove several relations between spectrum and dynamics including wave trace expansion, sharp/improved Weyl laws, propagation of...

### Special Events Seminar

#### Dimension in Holomorphic Dynamics

Holomorphic dynamics studies the iteration of rational, polynomial, or general entire functions. The Julia set of such a function can...

### Geometry Seminar

#### Preserve one, preserve all

The 1953 Beckman-Quarles theorem asserts that a function f from a Euclidean space of dimension at least two to itself with the property that...

### Junior Colloquium Series Seminar

#### Fast and accurate methods for solving Stokes equations on moving domains (Research at Michigan Series)

From blood flow to subsurface flows, particulate flows are ubiquitous. Direct numerical simulations of dense particle suspensions in viscous...

### Preprint Algebraic Geometry Seminar

#### Purity for the Brauer group, following Cesnavicus

https://arxiv.org/abs/1711.06456 Speaker(s): Bogdan Zavyalov (Stanford/UM)

### Integrable Systems and Random Matrix Theory Seminar

#### Bessel solutions of the PainlevÃ© III equation in a model of Josephson junction

We will consider a family of dynamical systems modeling Josephson effect in superconductivity. Following the series of works our main goal...

### Complex Analysis, Dynamics and Geometry Seminar

#### The Gromov-Wasserstein Problem for Vector Bundle Automorphisms

By elementary linear algebra, any complex matrix in the special linear group can be factored into a product of elementary matrixes, i.e....

### Colloquium Series Seminar

#### Topological Complexity of Manifolds of Nonpositive Curvature

We consider complete analytic Riemannian manifolds of bounded nonpositive curvature. Theseinclude locally symmetric and, in particular,...

### Operators in Complex Analysis Seminar

#### Lelong Numbers of Currents on Multiprojective Spaces

Let $T$ be a positive closed current of bidegree $(1,1)$ on a multiprojective space $X={\mathbb P}^{n_1}\times\ldots\times{\mathbb...

### Chromatic Homotopy Theory Seminar

#### Adams spectral sequence for MU.

Following lecture 8 and 9 from http://www.math.harvard.edu/~lurie/252x.html. Speaker(s): Yunze Lu (UM)

### Teaching Mathematics Seminar

#### Learning Community on Inclusive Teaching Discussion

Details about the Learning Community may be found at...

### Student Commutative Algebra Seminar

#### TBA

Speaker(s): Sridhar Venkatesh (University of Michigan Ann Arbor)

### Colloquium Series Seminar

#### Quantum Symmetry

In this talk, I will discuss what is meant by â€œquantum symmetryâ€ from the algebraic viewpoint of actions and coactions on...

### Student AIM Seminar Seminar

#### The Bouncing Penny and Nonholonomic Impacts

The evolution of a Lagrangian mechanical system is variational. Likewise, when dealing with a hybrid Lagrangian system (a system with...

### Algebraic Geometry Seminar

#### Uniqueness of K-polystable degenerations

K-stability is an algebraic notion that characterizes when a smooth Fano variety admits a Kahler-Einstein metric. An important motivation...

### Financial/Actuarial Mathematics Seminar

#### Tontines with bequest

Tontines offer a great alternative to current pension products....

### 2019 Ta-You Wu Lecture in Physics | Generating High-Intensity, Ultrashort Optical Pulses

#### Dr. Donna Strickland, Professor, Department of Physics & Astronomy and Nobel Laureate, Physics 2018 (University of Waterloo)

With the invention of lasers, the intensity of a light wave was increased by orders of magnitude over what had been achieved with a light...

### Topology Seminar

#### On type-preserving representations of thrice punctured projective plane group

In the first part of the talk we will discuss famous topological and dynamical questions and conjectures about character varieties and the...

### Applied Interdisciplinary Mathematics (AIM) Seminar

#### Information geometry: geometrizing statistical inference

Information Geometry is the differential geometric study of the manifold of probability models, where each probability distribution is just...

### Combinatorics Seminar

#### Combinatorics via Deligne Categories

The Deligne category Rep(S_t) can be thought of as "interpolating" the representation categories of symmetric groups. After...

### Junior Colloquium Series Seminar

#### On rigidity properties in geometry and dynamics (Research at Michigan Series)

I have been fascinated how even innocent symmetry forces many systems to be classifiable, and satisfy other unexpected properties. Case in...

### Preprint Algebraic Geometry Seminar

#### Fundamental groups and path lifting for algebraic varieties, following Koll\'ar

https://arxiv.org/abs/1906.11816 Speaker(s): Sanal Shivaprasad (UM)

### Complex Analysis, Dynamics and Geometry Seminar

#### [TOPOLOGY SEMINAR] TBA

Speaker(s): Jeremy Miller (Purdue University)

### Integrable Systems and Random Matrix Theory Seminar

#### Domino tilings of the Aztec diamond with doubly periodic weightings

This talk will be centered around domino tilings of the Aztec diamond with doubly periodic weightings. In particular asymptotic results of...

### Group, Lie and Number Theory Seminar

#### Bi-ordinary modular forms

It is known that p-ordinary cuspidal Hecke eigenforms give rise to 2-dimensional global Galois representations which become reducible after...