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Seminars

Future and Ongoing Seminars

FC1 031 and online |
Algebra, Combinatorics and Number Theory

In this talk I will give a brief introduction to the study of conditional indepedence (CI) and…

Speaker: Eliana Gélvez
Room FC1 0.07 |
Geometry and Topology

The moduli spaces of polygons in $\mathbb{R}^3$, with prescribed side lengths, are naturally…

Speaker: Carlos Florentino
Room FC1 0.07 |
Geometry and Topology

Cartan geometries are structures on manifolds which are infinitesimally modelled on homogeneous…

Speaker: João Nuno Mestre
FC1 007 and Online |
Algebra, Combinatorics and Number Theory

The main goal of this talk is to illustrate the role of quaternions in number theory.

Speaker: Adriana Cardoso

Past Seminars

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
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
Online seminar |
Algebra, Combinatorics and Number Theory

Let $G$ be a subgroup of $S_n$. What can be said on the number of conjugacy classes of $G$, in…

Speaker: Daniele Garzoni
Room TBD (FC1 Building) |
CMUP Informal PHD Seminar

Point vortices are singular solutions of the 2-dimensional incompressible Navier-Stokes…

Speaker: Gil Marques
Online seminar |

Two of the most important and fundamental results in the representation theory of a reductive…

Speaker: Jonathan Gruber
Online Zoom meeting |
Semigroups, Automata and Languages

The study of algebras of partial functions is an active area of research that investigates…

Speaker: Célia Borlido
Online seminar |
Algebra, Combinatorics and Number Theory

A celebrated theorem of B. H.

Speaker: Cristina Acciarri