This talk concerns numerical semigroups, i.e. cofinite submonoids $S$ of $\mathbb{N…
Past Seminars
In 1875, Smith computed the determinant of the $n\times n$…
Let $G$ be a subgroup of $S_n$. What can be said on the number of conjugacy classes of $G$, in…
Point vortices are singular solutions of the 2-dimensional incompressible Navier-Stokes…
Two of the most important and fundamental results in the representation theory of a reductive…
The study of algebras of partial functions is an active area of research that investigates…
A celebrated theorem of B. H.
Coarse median spaces and groups were introduced by Bowditch in 2013.
If $W$ is a set of words in the alphabet $\mathfrak…
In this talk we will discuss some problems on endomorphisms of groups with special focus…
Using graphs as a tool to encode properties of groups is a well established approach to many…
A numerical semigroup $S$ is a cofinite…
Let G be a permutation group acting on a finite set Ω. A subset B of Ω is…
A language of finite words is star-free when it can be built from letters using Boolean…
A Steiner triple system STS(v) is a set of triples of {1, 2, . . . , v} such that every pair of…
If G is a finite group and k a field of characteristic p, the group algebra kG can be written…
We consider the rational subset membership problem for Baumslag-Solitar groups.
Boolean inverse monoids and $MV$-algebras are both supposed to be generalizations of Boolean…
If $R$ is a finite commutative ring, then the affine monoid of…
Building on the classification of modules for algebraic groups with finitely many orbits on…