The commuting graph of a finite non-commutative semigroup $S$ is the simple graph whose vertices…
Seminars
Future and Ongoing Seminars
FC1 031 and online |
Algebra, Combinatorics and Number Theory
Speaker: Tânia Paulista
FC1.031 |
Dynamical Systems
We introduce a class of linear bounded invertible operators on Banach spaces, called shift…
Speaker: Udayan B. Darji
FC1 031 and online |
Algebra, Combinatorics and Number Theory
Kruskal’s uniqueness theorem gives a simple criterion ensuring that a 3-way tensor admits a…
Speaker: Alexander Taveira Blomenhofer
FC1 031 and online |
Algebra, Combinatorics and Number Theory
I will review some classical examples of groups whose strictly descending chains of subgroups…
Speaker: Sam Corson
Past Seminars
Online Zoom meeting |
Semigroups, Automata and Languages
Given a finite group $G$, the generating graph $\Gamma(G)$ of $G$ has as vertices the (…
Speaker: Claude Marion
Online seminar |
Algebra, Combinatorics and Number Theory
In dimension 2, a domino is a $2\times 1$ rectangle. Domino tilings of quadriculated regions…
Speaker: Nicolau Saldanha
1.09 |
Geometry and Topology
In 1975 Narasimhan and Ramanan studied the action of a line bundle $L$ of finite order on the…
Speaker: Guillermo Barajas Ayuso
Online Zoom meeting |
Semigroups, Automata and Languages
Following a correspondence due to Almeida, every uniformly recurrent language determines a…
Speaker: Herman Goulet-Ouellet
online |
Geometry and Topology
Abstract. In this talk we will focus on semicomplete Halphen vector fields.
Speaker: Ahmed Elshafei
Online Zoom meeting |
Semigroups, Automata and Languages
In 1985, Bucher, Ehrenfeucht and Haussler studied derivation relations associated with a given…
Speaker: Ondřej Klíma
Online Zoom meeting |
Semigroups, Automata and Languages
Let $I_n$ be the symmetric inverse semigroup on $…
Speaker: Georg Klein
Online Zoom meeting |
Semigroups, Automata and Languages
Finite rank plactic monoids are infinite monoids arising from a natural combinatorial…
Speaker: Marianne Johnson
Online Zoom meeting |
Semigroups, Automata and Languages
The class of regular languages is the smallest class of languages containing the finite…
Speaker: Jean-Eric Pin
Online Zoom meeting |
Semigroups, Automata and Languages
The variety (of finite semigroups) DAb is the class of finite semigroups whose regular 𝒟-classes…
Speaker: Jan Philipp Wächter
FC1.031 |
Dynamical Systems
In 2017, Baraviera and Duarte extended a classical theorem from Le Page.
Speaker: Marcelo Durães
Online Zoom meeting |
Semigroups, Automata and Languages
The Finite Index Basis Theorem is an elegant result connecting bifix codes, symbolic dynamical…
Speaker: Alfredo Costa
FC1.031 |
Dynamical Systems
Impulsive Dynamical Systems (IDS) can be seen as suitable mathematical models of real…
Speaker: Jaqueline Siqueira
FC1.004 |
CMUP Informal PHD Seminar
Let $Q(x,y)=ax^{2}+bxy+cy^{2}$ be a real and positive definite quadratic form. The classical…
Speaker: Pedro Ribeiro
1.09 |
Geometry and Topology
Abstract:
Speaker: Alexey Glutsyuk
Online Zoom meeting |
Semigroups, Automata and Languages
In this talk, I intend to give a view of the contents of the book with the same title, which…
Speaker: Dominique Perrin
Room 0.27 (FC1 Building) |
Research Seminar Program (UC|UP MATH PhD program)
PROGRAM
Online seminar |
Algebra, Combinatorics and Number Theory
We give an introduction on the Brauer-Manin obstruction to the Hasse principle and present some…
Speaker: Evis Ieronymou
Online Zoom meeting |
Semigroups, Automata and Languages
One may wonder what are the 'most frequent' properties of finitely generated of subgroups of…
Speaker: Pascal Weil
Online seminar |
Algebra, Combinatorics and Number Theory
This talk will be about a project aiming to illustrate geometry through puzzles. The puzzles are…
Speaker: Hugo Parlier