Seminars top banner

Seminars

Future and Ongoing Seminars

FC1 031 and online |
Algebra, Combinatorics and Number Theory

The commuting graph of a finite non-commutative semigroup $S$ is the simple graph whose vertices…

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 |
Algebra and Geometry

Let C be a decomposable plane curve over an algebraically closed field k of characteristic 0.

Speaker: Angela Tabiri
Online Zoom meeting |
Semigroups, Automata and Languages

Automata pose a simple way to describe groups and semigroups with sometimes surprisingly complex…

Speaker: Jan Philipp Wächter
Online Zoom meeting |
Semigroups, Automata and Languages

In this talk, we consider the class of finite right restriction Ehresmann semigroups whose…

Speaker: Itamar Stein
Online Zoom meeting |
Semigroups, Automata and Languages

In our talk we will review some of the combinatorial methods in…

Speaker: Tatiana Jajcayova
Online Zoom meeting |
Semigroups, Automata and Languages

A self-similar group is a group $G$ acting on the Cayley graph of a finitely generated free…

Speaker: Benjamin Steinberg
Online Zoom meeting |
Semigroups, Automata and Languages

Free profinite semigroups are completions of free semigroups, and for that reason their elements…

Speaker: Alfredo Costa
Online Zoom meeting |
Semigroups, Automata and Languages

The ubiquitous plactic monoid, also known as the monoid of Young tableaux, has deep connections…

Speaker: Duarte Chambel Ribeiro
Online Zoom meeting |
Semigroups, Automata and Languages

The aim of this talk is to explain how model theory can be fruitfully applied to the study of…

Speaker: Samuel J. van Gool
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages

Two groups are called commensurable if they have isomorphic subgroups of finite index.

Speaker: Zakharov Alexander
Room 1.09 |
Geometry and Topology

Hitchin's connection, originally constructed using techniques of Kähler geometry, is a flat…

Speaker: Thomas Baier
Room FC1.108 |
CMUP Informal PHD Seminar

We will emphasize how to approach dynamical systems from a probabilistic perspective (or…

Speaker: Lucas Amorim
Room 1.09 |
Geometry and Topology

Consider the moduli space $\mathcal{M}(G)$ of $G$-Higgs bundles on a compact Riemann surface $X…

Speaker: André Oliveira
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages

A numerical semigroup is just a subset of the nonnegative

Speaker: Manuel Delgado
Room 1.09 |
Geometry and Topology

A discrete statistical model is a subset of a probability simplex. Its maximum likelihood…

Speaker: Eliana Gelvez
Room FC1.108 |
CMUP Informal PHD Seminar

In this talk, we will explore some of the possible connections between (abstract) simplicial…

Speaker: Inês Couto
Room 1.09 |

Let $X$ be a smooth complex projective curve and let $x\in X$ be a point. We compute the…

Room 1.08 |
Geometry and Topology

While it is well known that the moduli space of $G$-bundles over a smooth projective curve is…

Speaker: Emilio Franco
Room FC1.029 |
CMUP Informal PHD Seminar

We explain how deformations of a parabolic bundle ξ are given by the vector…

Speaker: Rui Prezado
Room FC1.029 |
Research Seminar Program (UC|UP MATH PhD program)

Program:

Room 1.08 |
Geometry and Topology

With $G=GL(n,\mathbb{C})$, let $\mathcal{X}_{\Gamma}G$ be the $G$-character variety of a given…

Speaker: Alfonso Zamora