Seminars top banner

Seminars

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
FC1.031 |
Dynamical Systems

In this talk, we will present an estimate on the uniform convergence rate of the Birkhoff…

Speaker: Aline Melo
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
Online Zoom meeting |
Semigroups, Automata and Languages

The five-element semigroups $A_2$ and $B_2$

Speaker: Marcel Jackson
Online seminar |
Algebra, Combinatorics and Number Theory

Let $k$ be an algebraicallly closed field of characteristic $p\geq 0$ and let $G$ be a linear…

Speaker: Ana Retegan
1.09 |
Geometry and Topology

The complexity of the singular fibers of the Hitchin system stems from the diversity of…

Speaker: Johannes Horn
Online Zoom meeting |
Semigroups, Automata and Languages

We say that a regular semigroup $S$ is weakly generated by a set $X$ if it has no proper regular…

Speaker: Luís Oliveira
FC1.004 |
CMUP Informal PHD Seminar

Descent theory is the study of local-to-global problems. After a quick review of simple…

Speaker: Rui Prezado
Online seminar |
Algebra, Combinatorics and Number Theory

This talk concerns numerical semigroups, i.e. cofinite submonoids $S$ of $\mathbb{N…

Speaker: Shalom Eliahou
Online Zoom meeting |
Semigroups, Automata and Languages

In 1875, Smith computed the determinant of the $n\times n$

Speaker: Benjamin Steinberg