We investigate finite and profinite groups with the Magnus property, where a group is said to…
Seminars
Future and Ongoing Seminars
FC1 0.04 and online |
Algebra, Combinatorics and Number Theory
Speaker: Claude Marion
FC1.031 |
Dynamical Systems
In this talk, we explore a martingale approximation framework that provides quantitative…
Speaker: João S. Matias
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
As a consequence of the Littlewood-Richardson commuters coincidence and the Kumar-Torres…
Speaker: Olga Azenhas
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
A reduced word for a permutation of the symmetric group is its own commutation class if it has…
Speaker: Diogo Soares
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
We introduce the concept of a nonassociative (i.e. not necessarily associative) inverse…
Speaker: Mikhailo Dokuchaev
Online |
Geometry and Topology
I will present recent joint work with Jérémy Toulisse and Richard Wentworth on a differential…
Speaker: Brian Collier
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
In the 1950’s Davenport, Mirsky, Newman and Rado proved that if the integers are partitioned by…
Speaker: Martino Garonzi
Past Seminars
Online Zoom meeting |
Semigroups, Automata and Languages
We will consider the computational complexity of decision problems in which we are given a set…
Speaker: Trevor Jack
Online Zoom meeting |
CMUP Informal PHD Seminar
The main goal of this talk is to present a geometric version of the bounded cancellation…
Speaker: André Carvalho
Online Zoom meeting |
Semigroups, Automata and Languages
The subgroup membership problem for a group $G$ asks whether a given group element $g$ from $G$…
Speaker: Markus Lohrey
Online Zoom meeting |
Semigroups, Automata and Languages
We discuss expansions of monoids in the class of two-sided restriction monoids.
Speaker: Ganna Kudryavtseva
Online Zoom meeting |
CMUP Informal PHD Seminar
Sarcasm aside, in this talk we are going to take a look into a well-established theory of…
Speaker: Raquel Couto
Online Zoom meeting |
Semigroups, Automata and Languages
The twisted Brauer monoid $\mathcal{W}_n$ is the monoid generated by $s_1,\dots,s_{n-1},h_1,\…
Speaker: Mikhail V. Volkov
Online Zoom meeting |
Semigroups, Automata and Languages
Given a group defined by a presentation with a single defining relation $w=1…
Speaker: Robert Gray
Online Zoom meeting |
Semigroups, Automata and Languages
The study of Leavitt path algebras developed from foundational…
Speaker: John Meakin
Online Zoom meeting |
Semigroups, Automata and Languages
The notion of pointlike sets provides a way to “measure the essential…
Speaker: Samuel Herman
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