Past Events

The game of Cops and Robbers is a two-player pursuit–evasion game played on a graph, in which a set of cops attempt to capture a single robber. The players occupy vertices of the graph and take turns moving along edges; capture occurs when a cop and...

I will review a topic in mathematical physics, called Lieb-Robinson bounds, that exemplifies analysis, geometry, and dynamics. These bounds describe the dynamics of a physical system of many interacting quantum degrees of freedom: they control how...

As part of cell signalling, cells sense and respond to mechanical stimuli. This process is called mechanotransduction and is important in many functions of the cell, such as cell migration and tissue homeostasis. Although the biochemistry of cell...

We provide an inferential framework to assess variable importance for heterogeneous treatment effects. This assessment is especially useful in high-risk domains such as medicine, where decision makers hesitate to rely on black-box treatment...

This talk will discuss traditional and modern approximation techniques for (expensive) derivative-free optimization, in which the approximation serves as a tool for identifying the optimality of the black-box objective, rather than merely...

Students of grades 5 to 7 are invited to challenge and develop their thinking and creativity skills at the Math Circle Workshops. This is an enrichment program for students organized by the faculty members of the Department of Mathematics at the...

I will discuss how to formulate and prove a localization theorem for the virtual fundamental class of a moduli space with a relative perfect obstruction theory over a singular base. In the motivating example of the moduli space of stable log maps, I...

The summatory Mobius function M ( x ) is an important arithmetic function in number theory that contains information regarding primes and square-free numbers, and has strong links to the Riemann zeta function. Its growth rate is a difficult subject...

This is the first of two talks in Algebraic K-theory. I will introduce the lower K-groups (0, 1 and 2) through the study of projective modules and their automorphisms, give a few examples and properties. The exact sequences that arise from the lower...

A good way to understand the structure of a finite group is through its representations. The family of representations of a group on a fixed field has several properties: it is closed by finite direct sums, by tensor products, it contains the dual...