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Seminars

Future and Ongoing Seminars

FC1 031 and online |
Algebra, Combinatorics and Number Theory

 

Speaker: Ana Paula Santana
FC1 1.09 |
Geometry and Topology

The main purpose of this presentation is to dive deep in the theory of Riemann surfaces, through…

Speaker: Guilherme Nascimento
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

Room FC1-0.30, DM-FCUP, University of Porto |
Analysis

The…

Speaker: Gérard Meurant
Room FC1 1.09 |
Geometry and Topology

Some features about the geometry of certain moduli spaces, including its main topological…

Speaker: David Alfaya
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
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 1.09 |
Geometry and Topology

Abstract : The Hitchin connection is a central concept in modern geometry,…

Speaker: Zakaria Ouaras
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

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

Speaker: Tânia Paulista
FC1.031 |
Dynamical Systems

This talk concerns entropy-dimensional concepts recently developed in order…

Speaker: Gustavo Pessil
FC1 029 |

Missing data is a pervasive issue in statistics and data analysis, arising in diverse contexts:…

Speaker: Christian Heumann
FC1 031 and online |
Algebra, Combinatorics and Number Theory

Cantor famously used two versions of Diagonalization for his fundamental results in set theory.…

Speaker: Reinhard Kahle
FC1 031 and online |
Algebra, Combinatorics and Number Theory

Polynomial expansion concerns the heuristic expectation that, for a typical polynomial P in n…

Speaker: Nuno Arala Santos
FC1 0.06 |
Geometry and Topology

Abstract: I will consider the Hitchin fibration for Higgs bundles with…

Speaker: Alexander Früh
FC1 031 and online |
Algebra, Combinatorics and Number Theory

Quasigroupoids and weak Hopf quasigroups are non-associative generalizations of groupoids and…

Speaker: Ramón González Rodríguez
FC1 007 and Online |
Algebra, Combinatorics and Number Theory

The Hasse principle is the idea that a Diophantine equation over the rational numbers should…

Speaker: Nuno Freitas
FC1 1.09 |
Geometry and Topology

Abstract: I will review the application of Hamiltonian flows in imaginary time…

Speaker: João Luís Pimentel Nunes
FC1 031 and online |
Algebra, Combinatorics and Number Theory

Quasi-hereditary algebras are a class of finite-dimensional associative algebras that appear…

Speaker: Tiago Cruz
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
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 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
Online |
Geometry and Topology

I will present recent joint work with Jérémy Toulisse and Richard Wentworth on a differential…

Speaker: Brian Collier