Seminars

Given a group defined by a presentation with a single defining relation $w=1…

The study of Leavitt path algebras developed from foundational…

The notion of pointlike sets provides a way to “measure the essential…

I will present the latest development in my quest to understand whether the free product of two…

Program of the session:

10h30-10h45 - Virtual Reception: Carla…

A positive integer $n$ is said to be a finitistic order for an element $u$ of a group $F$ if…

Program of the session:

10h30-10h45 - Virtual Reception: André…

We prove a noncommutative generalisation…

We consider two-variable first-order logic $\mathop{\mathrm{FO}}^2$…

It is a consequence of Higman's embedding theorem that the additive group $\mathbb{Q}$ of…

The starting point for the ideas in this talk is that the Plactic monoid admits several…

Since the 1980s, inverse semigroups and groupoids have been important tools to study $C^*$-…

The problem of computing the abelian kernel of a finite semigroup was first solved by Delgado…

In this series of three lectures, we will discuss two important and relatively new methods…

Plactic monoids are infinite, finitely generated monoids arising from a natural combinatorial…

In this series of three lectures, we will discuss two important and relatively new methods…

Let C be a decomposable plane curve over an algebraically closed field k of characteristic 0.

Automata pose a simple way to describe groups and semigroups with sometimes surprisingly complex…

In this talk, we consider the class of finite right restriction Ehresmann semigroups whose…

In our talk we will review some of the combinatorial methods in…