The concept of a rank function on an additive category with cokernels, or more generally, on one…
Seminars
Future and Ongoing Seminars
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
Speaker: Teresa Conde
FC1 0.07 and online |
Algebra and Geometry
The features of a group being finitely generated or finitely presented are, respectively, the n=…
Speaker: José Pedro Quintanilha
FC1 0.07 and online |
Algebra, Combinatorics and Number Theory
We investigate finite and profinite groups with the Magnus property, where a group is said to…
Speaker: Claude Marion
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
FC1 1.09 |
Geometry and Topology
Abstract: I will review the application of Hamiltonian flows in imaginary time to problems in…
Speaker: João Luís Pimentel Nunes
Past Seminars
FC1.031 |
Dynamical Systems
Using a deterministic perturbation result established by Galatolo and Lucena [1], we obtain…
Speaker: Odaudu Etubi
FC1 007 |
Algebra, Combinatorics and Number Theory
In this talk, extensions of solvable Lie algebras are considered. The method of central…
Speaker: Abror Khudoyberdiyev
Zoom link |
Semigroups, Automata and Languages
The membership problem for algebraic structures asks whether a given element belongs to a…
Speaker: Alexander Thumm
FC1 0.29 |
Algebra and Geometry
Title: …
Speaker: Veronica Calvo Cortes
FCUP (Room FC1.031) |
Dynamical Systems
This a scientific meeting gathering researchers, PhD students, master students and undergraduate…
Speaker: Romain Aimino and Jorge Freitas
FC1 007 |
Algebra, Combinatorics and Number Theory
The main objective of multiplicative ideal theory is to investigate the multiplicative structure…
Speaker: Haleh Hamdi
FC1.031 |
Dynamical Systems
In this talk, we will investigate the question of quantitative recurrence for ergodic dynamical…
Speaker: Dylan Bansard-Tresse
FC1.031 |
Dynamical Systems
The specification property, introduced in the 1970s by Bowen in the study of Axiom A…
Speaker: Alexandre Trilles
Zoom link |
Semigroups, Automata and Languages
Conjugacy languages, first introduced by Ciobanu and Hermiller, are a useful tool in…
Speaker: Gemma Crowe
Zoom link |
Semigroups, Automata and Languages
In this talk, I will explore the connection between algebraic language theory and topos theory,…
Speaker: Ryuya Hora
FC1 004 |
Algebra, Combinatorics and Number Theory
In the previous talk, we revisited some general aspects of the representation theory of the Lie…
Speaker: Lucas Queiroz Pinto
FC1.031 |
Dynamical Systems
I will discuss the outcome of periodic perturbations of attracting cyclic dynamics.
Speaker: Isabel S. Labouriau
Zoom link |
Semigroups, Automata and Languages
We introduce an algorithm for computing a congruence on an inverse semigroup from a collection…
Speaker: Alex Levine
Online seminar |
Algebra, Combinatorics and Number Theory
Nos últimos anos, houve um grande interesse em detectar propriedades do grupo fundamental $\pi_1…
Speaker: Lucas Corrêa Lopes
FC1.007 |
Semigroups, Automata and Languages
In this talk, we will focus on formations and Fitting classes of groups.
Speaker: Ana Catarina Monteiro
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
Let $\mathcal{C}\subseteq\mathbb{N}^p$ (for a non-zero natural number $p$) be a non-negative…
Speaker: Raquel Tapia-Ramos
Room 0.31 |
Dynamical Systems
This a scientific meeting gathering researchers, PhD students, master students and undergraduate…
Speaker: Duarte Pinho and Mubarak Muhammad
Zoom link |
Semigroups, Automata and Languages
It is well-known that the monogenic free inverse semigroup $FI_1$ is not finitely…
Speaker: Jung Won Cho
Zoom link |
Semigroups, Automata and Languages
Twisted conjugacy is a generalisation of the well-known notion of conjugacy in groups: given two…
Speaker: Sam Tertooy
FC1 031 |
Algebra, Combinatorics and Number Theory
In the 1960's. W. Leavitt studied universal algebras which do not satisfy the \emph{Invariant…
Speaker: Alfilgen Sebandal