Past Events

The past twenty-five years have heralded an unparalleled increase in understanding of cancer. At the same time, mathematical modelling has emerged as a natural tool for unravelling the complex processes that contribute to the initiation and...

It is well known that a maximal planar graph of order at least 3 is 3-colourable if and only if it is Eulerian. It is also known that if a maximal planar graph of order at least 3 has exactly two vertices of odd degree, then these vertices are...

There is a wealth of combinatorial algorithms for classical min-cost flow problems and their simpler variants like max flow or shortest-path problems. It is wellknown that several of these algorithms are intimately related to the Simplex method and...

The Zener cards are a deck of nm cards where each of n symbols is depicted on exactly m cards. The following experiment \((n=mu=5)\)has been used since the early ‘30s to test for extrasensory perceptions: the alleged telepath tries to guess cards one...

I will describe a version of the prime number theorem for arithmetic progressions that is uniform enough to deduce the Siegel-Walfisz theorem, Hoheisel's asymptotic for short intervals, a Brun-Titchmarsh bound and Linnik's bound for the least prime...

In a proportional contact representation of a planar graph, each vertex is represented by a simple polygon with area proportional to a given weight, and edges are represented by adjacencies between the corresponding pairs of polygons. We show how to...

A “quasisymmetric variety” (QSV) is a subset of permutations that (when considered as points in n-space) have a vanishing ideal that shares key properties with the ideal generated by quasisymmetric polynomials, and moreover which forms a basis for...

Random projections of high-dimensional probability measures have gained much attention in asymptotic convex geometry and high-dimensional statistics. While fluctuations at the level of the central limit theorem have been classically studied, only...

In this talk, we give a description of finite-dimensional commutative Frobenius algebras and we recall the description of 2-dimensional TQFTs. We show that these two structures are equivalent to each other.

I present recent advances in the design of models of hydrodynamic force and torque exerted on monodisperse spheres in a statistically homogeneous random array at Reynolds number 0.01 ≤ Re ≤ 150 and solid volume fraction 0.02 ≤ φ ≤ 40. All models take...