In the 1950’s Davenport, Mirsky, Newman and Rado proved that if the integers are partitioned by…
Future and Ongoing Seminars
The Gruenberg-Kegel graph of a group is defined as the graph whose vertices are the primes that…
Chen, Erdős, and Staton asked in 1996 how many edges are required in an n-vertex graph to…
This has been an open question for more than 70 years. I'll review what is known, including some…
Quasi-hereditary algebras are a class of finite-dimensional associative algebras that appear…
Quasigroupoids and weak Hopf quasigroups are non-associative generalizations of groupoids and…
Polynomial expansion concerns the heuristic expectation that, for a typical polynomial P in n…
Past Seminars
Dynamical systems generated by scalar reaction-diffusion equations enjoy special properties that…
Just as groups are algebraic models of symmetry, inverse semigroups capture the notion of…
What is the expected number of iterates of a point needed for a plot of these iterates to…
It is well-known that the subword complexity of an automatic sequence grows at most linearly,…
Given a group $G$ acting on a set $X$, an element $g$ of $G$ is called a derangement if it…
Since the seminal work of Nambooripad (among others), people…
The length of a finite system of generators for a finite-dimensional algebra over a field is the…
In this talk, we will study a gauge-theoretic construction of (branched) complex projective …
The simple positive energy representations for an affine vertex algebras associated to higher…
In 1972, Kantor introduced the class of conservative algebras, which contains many other…
Mirror symmetry is a somewhat mysterious phenomenon that relates the geometry of two distinct…
The variational principle states that the topological entropy of a compact dynamical system is…
We introduce the notion of a crossed module over an inverse semigroup which generalizes…
I will present some results that were obtained in collaboration with Csaba Schneider (…
In this talk, I will discuss recent joint work with Alexeev-Engel-Schaffler that provides…
Let $A$ be an associative algebra over a field $F$ of characteristic zero, $F\langle X \rangle$…
Given a group $G$ and a partial factor set $\sigma $ of $G,$ we introduce the twisted partial…
I will explain how to express the space of almost complex structures J(M) on a…
The recurrence coefficients of a generalised symmetric F…
The Monster group $M$ is the largest sporadic simple group. It is also the group of…
