### Student Homotopy Theory Seminar

#### Topological Hochschild homology

Topological Hochschild homology is a homology theory for ring spectra, generalizing the Hochschild homology for usual associative rings....

### Student Arithmetic Seminar

#### Newton Polygon

Newton polygons provide us with a tool for understanding roots of polynomials and studying irreducibility. In this talk, I'll give some...

### Algebraic Geometry Seminar

#### Motivic Euler products in motivic statistics

The Grothendieck group of varieties over a field k is the quotient of the free abelian group of isomorphism classes of varieties over k by...

### Topology Seminar

#### Tessellations from long geodesics on surfaces

I will talk about joint work of Athreya, Lalley, Wroten and myself. Given a hyperbolic surface S, a typical long geodesic arc will divide...

### Commutative Algebra Seminar

#### Triviality of jet closures and the local isomorphism problem

Jet schemes are a higher order analogue of the tangent scheme of a variety; algebraically, just as the tangent scheme of a variety...

### Colloquium Series Seminar

#### Modular forms on exceptional groups

When G is a reductive (non-compact) Lie group, one can consider automorphic forms for G. These are functions on the locally symmetric space...

### Applied Interdisciplinary Mathematics (AIM) Seminar

#### Understanding social processes with empirical design and statistical inference (or, social networks, data, and you)

The structure of social networks reflects important social processes, such as status, communities, and inequality---but separating signal...

### Combinatorics Seminar

#### A topological proof of the Shapiro-Shapiro Conjecture

The Shapiro-Shapiro conjecture states the following. Let f : P^1 to P^n be any map. If all inflection points of the map (roots of the...

### Colloquium Series Seminar

#### Stability theory generalized to accessible categories

A theorem of ErdÃ…â€˜s and Rado generalizes Ramsey's theorem to infinite cardinals: for each cardinal n, there exists a cardinal N so...

### Geometry Seminar

#### A new construction of pseudo-Anosov mappings

Speaker(s): John Hubbard (Cornell/Marseille)

### Mathematical Biology Seminar

#### Stochastic Turing Patterns in Oceans, Brains and Biofilms

Why are the patterns of plankton in the ocean so patchy? Why do frequently described geometrical hallucinations tend to fall into one of...

### RTG Seminar on Number Theory Seminar

#### Integral quadratic forms, theta series and modular forms

I will talk about the problem of representing integers by integral quadratic forms and its relation to theta series and modular forms....

### Complex Analysis, Dynamics and Geometry Seminar

#### A transcendental dynamical degree

Any plane rational self-map f:P^2->P^2 has an 'algebraic degree' defined to be the common degrees of its components in...

### Geometry & Physics Seminar

#### Relative Gromov-Witten theory and vertex operators

We study the relative Gromov-Witten theory on T*P^1 \times P^1 and show that certain equivariant limits give us the relative invariants*...

### Operators in Complex Analysis Seminar

#### An Analog of the Weyl Law for the Kohn Laplacian on CR Manifolds

In this talk, we present some recent calculations on the distribution of eigenvalues of the Kohn Laplacian on CR manifolds. In particular,...

### Chromatic Homotopy Theory Seminar

#### Homology of MU, complex orientation and statement of Quillen's theorem.

Following lecture 6 and 7 from http://www.math.harvard.edu/~lurie/252x.html. Speaker(s): Shubhodip Mondal (UM)

### Colloquium Series Seminar

#### Tropical curves, graph homology, and top weight cohomology of M_g

I will discuss the topology of a space of stable tropical curves of genus g with volume 1. The reduced rational homology of this space is...

### 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...

### Topology Seminar

#### New coordinates for TeichmÃƒÂ¼ller 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...

### 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)

### 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...

### 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)

### Complex Analysis, Dynamics and Geometry Seminar

#### TBA

Speaker(s): Jakob Hultgren (University of Maryland)

### 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,...

### 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...