Seminars

How much does the universal enveloping algebra of a Lie algebra remember about the Lie algebra…

Let $F$ be a family of finite groups closed under taking subgroups, quotients and finite direct…

The classification of tuples of matrices up to simultaneous conjugation is a classical problem…

Given a set of generators of a finite semigroup, a natural way to show that a…

Numerical semigroups are the subsemigroups of the set of natural numbers that are cofinite and…

A monoid is said to be right noetherian if all of its right congruences are finitely…

A numerical semigroup $S$ is a cofinite submonoid of the aditive monoid $(\mathbb{N},+)$. The (…

HNN extensions can be used as a way to produce a more complicated group from a simpler one, they…

This a scientific meeting gathering researchers, PhD students, master students and undergraduate…

In this talk, we will present the bijective correspondence between Young diagrams and proper…

In this talk we present some properties of generalized torsion elements in groups. We describe…

In this talk I will present recent results on the descriptional complexity of basic operations…

In this talk, I will present recent results, obtained in collaboration with Valérie Berthé and…

This presentation is based on joint work with P. Shumyatsky. We study the class of all finite…

Right-angled Artin groups (RAAGs) are fundamental objects in geometric group theory.

Given a topologically mixing shift on a countable alphabet and a potential, we give criteria for…

Quasi-Frobenius rings were introduced by Nakayama  in the study of representations of algebras…

Using a deterministic perturbation result established by Galatolo and Lucena [1], we obtain…

In this talk, extensions of solvable Lie algebras are considered. The method of central…

The membership problem for algebraic structures asks whether a given element belongs to a…