### SPECIAL EVENT

#### Dr. Marjorie Lee Browne Colloquium: Math in the Age of Trump

For obvious reasons, I do not fit into the standard mold of a mathematician. But over time, I have learned to embrace my identity within the...

### Student Geometry/Topology

#### Bring your work to work day

A collection of short, informal talks by several Michigan grad students about their research or whatever is on their mind. Come see what...

### Student Commutative Algebra

#### Towards Regularity of Line Configurations

This talk will attempt to survey the key theorems involving Castelnuovo-Mumford regularity, featured in the introductions of three...

### Geometry & Physics

#### Spin and hyperelliptic structures on log twisted differentials

The strata of abelian differentials with prescribed zeros are interesting objects of study from Teichmuller dynamics point of view. Their...

### Student Algebraic Geometry

#### The dual complex of a resolution and Thuillier's theorem

Given a variety X, a closed subvariety Y, and a resolution of the pair (X,Y), one may construct a simplicial complex from the combinatorics...

### RTG Seminar on Geometry, Dynamics and Topology

#### Margulis spacetimes

Last week we studied Auslander's 'conjecture' that the fundamental group of a complete closed affine manifold is virtually solvable, and the...

### Financial/Actuarial Mathematics

#### TBA

Speaker(s): Romuald Elie (Universite Paris-Est and UM (Sabbatical))

### Commutative Algebra

#### Consequences of the direct summand conjecture, and problems that remain

The talk will survey several results that follow from the direct summand conjecture, recently...

### Analysis/Probability Learning Seminar

#### Structured Random Matrices tutorial: LatalaÃ¢â‚¬â„¢s inequality and beyond

We continue talking about Ramon van HandelÃ¢â‚¬â„¢s new tutorial on Structured Random Matrices. This week I will present the proof of Van...

### Topology

#### Profinite Topology from a Geometrical Viewpoint

We give a geometric construction of some subsets of a free group...

### Algebraic Geometry

#### Stability on valuations of a singularity

In higher dimensional geometry, it has been known that from many perspectives a log terminal singularity is a local analogue of Fano...

### Applied Interdisciplinary Mathematics

#### Fast, high-order algorithms for particulate flows through periodic geometries

This talk will focus on a new periodization scheme for boundary integral methods. The scheme will allow us to quickly and accurately solve...

### Combinatorics

#### Pizzas and Kazhdan-Lusztig atlases on toric surfaces

Motivated by the work of Knutson, Lam, Speyer and Snider, Bruhat atlases, introduced by He, Knutson and Lu are a way of locally modeling a...

### Geometry & Physics

#### r-Spin moduli space and related topics at Jan 21-22

http://www-personal.umich.edu/~janda/2017-rspin.html Speaker(s): RTG Workshop (UM)

### Complex Analysis, Dynamics and Geometry

#### Pressure Metric Geometry of Spaces of Metric Graphs

In this talk I will first recall the short history of dynamical- system-theoretically defined Riemannian metrics on deformation spaces --...

### Algebraic Geometry

#### Derived categories of cubic fourfolds and non-commutative K3 surfaces

The derived category of coherent sheaves on a cubic fourfold has a subcategory which can be thought as the derived category of a...

### Applied Interdisciplinary Mathematics

#### TBA

Back-to-back short talks by David Gorsich (Chief Scientist, US Army TARDEC) and Jayakumar Paramsothy (Senior Technical Expert, US Army...

### Geometry

#### Quasiconformal mappings on the Grushin plane

A growing body of recent literature investigates quasiconformal mappings in the setting of equiregular sub-Riemannian manifolds. In this...

### Combinatorics

#### A rational lift of the combinatorial R-matrix

The combinatorial R-matrix is the unique affine sl_n crystal isomorphism between A x B and B x A, where A and B are finite-dimensional...

### Preprint Algebraic Geometry Seminar

#### Neron models of Pic^0 via Pic^0 (following Chiodo)

https://arxiv.org/abs/1509.06483 Speaker(s): Martin Ulirsch (UM)

### Colloquium Series

#### Algebraic geometry, topology, strings and singularities

Speaker(s): Antonella Grassi (University of Pennsylvania)

### Financial/Actuarial Mathematics

#### Moral hazard, limited liability, slavery and golden parachutes

This talk will consists first in an overview of recent progresses made in contracting theory, using the so-called dynamic programming...

### Financial/Actuarial Mathematics

#### TBA

Speaker(s): Romuald Elie (Universite Paris-Est and UM (Sabbatical))

### Applied Interdisciplinary Mathematics

#### Numerical schemes for integro-differential equations related to alpha-stable processes

The mean first exit time, escape probability and transitional probability density are utilized to quantify dynamical behaviors of stochastic...

### Combinatorics

#### Large colored sum free sets in finite vector spaces

Speaker(s): David Speyer (University of Michigan)

### Preprint Algebraic Geometry Seminar

#### Uniform K-stability and plt blowups of log Fano pairs (following Fujita)

https://arxiv.org/abs/1701.00203 Speaker(s): Mattias Jonsson (UM)

### Colloquium Series

#### Diffraction in spectral and scattering theory

The diffraction of waves is a phenomenon whose study dates back to at least the 17th century, but remains a challenge for...