A reduced word for a permutation of the symmetric group is its own commutation class if it has…
Seminars
Future and Ongoing Seminars
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
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
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
The Gruenberg-Kegel graph of a group is defined as the graph whose vertices are the primes that…
Speaker: Diego Lucas Garcia
FC1 031 and online |
Algebra, Combinatorics and Number Theory
This has been an open question for more than 70 years. I'll review what is known, including some…
Speaker: Ken Brown
Past Seminars
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
FC1 031 |
Algebra, Combinatorics and Number Theory
In the representation theory of finite-dimensional simple Lie algebras $\mathfrak{g}$, two…
Speaker: Eduardo Monteiro Mendonça
Zoom link |
Semigroups, Automata and Languages
I will give an intro to topological semigroups and the important…
Speaker: Luna Elliot
FC1 005 |
Algebra, Combinatorics and Number Theory
In the context of the theory of Gelfand-Tsetlin modules, Drinfeld categories were introduced in…
Speaker: Lucas Queiroz Pinto
FC1 004 |
General seminar of CMUP
Speaker: Nguyen Tien Zung
FC1 1.09 |
Geometry and Topology
Geometric quantization on symplectic manifolds plays an important role in representation theory…
Speaker: Dan Wang
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
The rational numbers…
Speaker: João Dias
FC1.031 |
Dynamical Systems
In this talk I will talk about some new results for the escape and
hitting statistics for…
Speaker: Yaofeng Su
Online |
Semigroups, Automata and Languages
The Submonoid Membership problem in a group G asks, given a finitely generated submonoid M of G…
Speaker: Ruiwen Dong
FC1.004 |
Dynamical Systems
The game of Rock-Paper-Scissors is an instructive example of cyclic competition between…
Speaker: Alastair Rucklidge
Online seminar |
Algebra, Combinatorics and Number Theory
In this seminar we will talk about results concerning faithful representations of abelian groups…
Speaker: Bruno Zaban
Online Zoom meeting |
Geometry and Topology
In this talk I will explain a general mechanism, based on derived symplectic geometry, to glue…
Speaker: Marco Robalo
Online seminar |
Algebra, Combinatorics and Number Theory
Let $G$ be a group and consider the group $\chi(G)$ obtained from the free product $G \ast G$ by…
Speaker: Guilherme Rocha Ortega
Room FC1 1.09 |
Geometry and Topology
In physics, CS/WZNW duality is an equivalence between Chern–Simons gauge theory and WZNW…
Speaker: Tim Henke
online |
Geometry and Topology
Abstract: In this panoramic talk, we shall provide an…
Speaker: Alejandro Cabrera