The classification of tuples of matrices up to simultaneous conjugation is a classical problem…
Seminars
Future and Ongoing Seminars
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
Speaker: Rustam Turdibaev
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
Let $F$ be a family of finite groups closed under taking subgroups, quotients and finite direct…
Speaker: Martino Garonzi
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
How much does the universal enveloping algebra of a Lie algebra remember about the Lie algebra…
Speaker: Ricardo Campos
Past Seminars
Online Zoom meeting |
Semigroups, Automata and Languages
I will present the latest development in my quest to understand whether the free product of two…
Speaker: Tara Brough
Online Zoom meeting |
Research Seminar Program (UC|UP MATH PhD program)
Program of the session:
10h30-10h45 - Virtual Reception: Carla…
Online Zoom meeting |
Semigroups, Automata and Languages
A positive integer $n$ is said to be a finitistic order for an element $u$ of a group $F$ if…
Speaker: José Carlos Costa
Online Zoom meeting |
Research Seminar Program (UC|UP MATH PhD program)
Program of the session:
10h30-10h45 - Virtual Reception: André…
Online Zoom meeting |
Semigroups, Automata and Languages
We prove a noncommutative generalisation…
Speaker: Jean-Eric Pin
Online Zoom meeting |
Semigroups, Automata and Languages
We consider two-variable first-order logic $\mathop{\mathrm{FO}}^2$…
Speaker: Manfred Kufleitner
Online Zoom meeting |
Semigroups, Automata and Languages
It is a consequence of Higman's embedding theorem that the additive group $\mathbb{Q}$ of…
Speaker: Francesco Matucci
Online Zoom meeting |
Semigroups, Automata and Languages
The starting point for the ideas in this talk is that the Plactic monoid admits several…
Speaker: António Malheiro
Online Zoom meeting |
Semigroups, Automata and Languages
Since the 1980s, inverse semigroups and groupoids have been important tools to study $C^*$-…
Speaker: Gilles Gonçalves de Castro
Online Zoom meeting |
Semigroups, Automata and Languages
The problem of computing the abelian kernel of a finite semigroup was first solved by Delgado…
Speaker: Vicent Pérez Calabuig
FC1 0.31 |
Algebra, Combinatorics and Number Theory
In this series of three lectures, we will discuss two important and relatively new methods…
Speaker: António Girão
Online Zoom meeting |
Semigroups, Automata and Languages
Plactic monoids are infinite, finitely generated monoids arising from a natural combinatorial…
Speaker: Mark Kambites
FC1 0.31 |
Algebra, Combinatorics and Number Theory
In this series of three lectures, we will discuss two important and relatively new methods…
Speaker: António Girão
Online Zoom meeting |
Algebra and Geometry
Let C be a decomposable plane curve over an algebraically closed field k of characteristic 0.
Speaker: Angela Tabiri
Online Zoom meeting |
Semigroups, Automata and Languages
Automata pose a simple way to describe groups and semigroups with sometimes surprisingly complex…
Speaker: Jan Philipp Wächter
Online Zoom meeting |
Semigroups, Automata and Languages
In this talk, we consider the class of finite right restriction Ehresmann semigroups whose…
Speaker: Itamar Stein
Online Zoom meeting |
Semigroups, Automata and Languages
In our talk we will review some of the combinatorial methods in…
Speaker: Tatiana Jajcayova
Online Zoom meeting |
Semigroups, Automata and Languages
A self-similar group is a group $G$ acting on the Cayley graph of a finitely generated free…
Speaker: Benjamin Steinberg
Online Zoom meeting |
Semigroups, Automata and Languages
Free profinite semigroups are completions of free semigroups, and for that reason their elements…
Speaker: Alfredo Costa
Online Zoom meeting |
Semigroups, Automata and Languages
The ubiquitous plactic monoid, also known as the monoid of Young tableaux, has deep connections…
Speaker: Duarte Chambel Ribeiro