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Seminars

Future and Ongoing Seminars

FC1 0.07 and online |
Algebra, Combinatorics and Number Theory

This talk provides a brief overview of a Lie bracket on affine spaces, known as a Lie…

Speaker: Abror Khudoyberdiyev
FC1 0.07 and online |
Algebra, Combinatorics and Number Theory

In this talk, we consider Novikov algebras with derivation and algebras obtained from its dual…

Speaker: B. K. Sartayev
FC1.031 |
Dynamical Systems

TBA

Speaker: João S. Matias
FC1 007 |

In the 1960s, Auslander and Bridger introduced the concept of G-dimension for finitely generated…

Speaker: Abderrazak Nassir
FC1.031 |
Dynamical Systems

TBA

Speaker: Fagner B. Rodrigues
FC1 007 |
Algebra, Combinatorics and Number Theory

The conjugacy problem is, alongside the word and the isomorphism problems, one of the three…

Speaker: André Carvalho

Past Seminars

Room 1.09 |
Geometry and Topology

In this talk we discuss deformations of Lie groupoids and introduce the cohomology which…

Speaker: João Nuno Mestre
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages

Groups of automorphisms of $d$-…

Speaker: Marialaura Noce
Room 1.08 |
Geometry and Topology

For a semisimple real Lie group $G$, parabolic $G$-Higgs bundles over a punctured Riemann…

Speaker: Georgios Kydonakis
Room 1.09 |
Geometry and Topology

Hitchin moduli spaces are non-compact hyperkähler manifolds parameterising solutions of gauge-…

Speaker: Tom Sutherland
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages

We study a class of morphisms between two-sided restriction semigroups which we call {\it proper…

Speaker: Mykola Khrypchenko
Room 1.09 |
Geometry and Topology

During the first half of the talk I will give a survey about the Hitchin connection on the sheaf…

Speaker: Christian Pauly
Room 0.31 |
Geometry and Topology

There exists a unique (smooth) cubic hypersurface of dimension 7 in $\mathbb{P}^8$ which is…

Speaker: Xavier Roulleau
Room 0.31 |
Geometry and Topology

A classical result due to Seidenberg states that every singular holomorphic foliation on a…

Speaker: Helena Reis
FCUP, Dep. Matemática, anfiteatro FC1 030 |
Analysis

The problem of solving Fredholm integral equations of the first kind is a prototype of an ill-…

Speaker: Laurence Grammont
FCUP, Dep. Matemática, anfiteatro FC1 030 |
Analysis

We consider approximate solutions of the following  Fredholm integral equation $$x (s) - \int_0^…

Speaker: Rekha P. Kulkarni
Room 1.09 |
Geometry and Topology

This is joint work with C. Florentino. The theory of motifs is an attempt to establish a…

Speaker: Jaime Silva
Room 1.09 |
Geometry and Topology

There is already a generalized description of classes of moduli spaces of geometric structures…

Speaker: Ronald Zúñiga-Rojas
Room 1.09 |
Geometry and Topology

Mirror symmetry is a prediction arising from theoretical physics which roughly conjectures that…

Speaker: André Oliveira
Room 1.09 |
Geometry and Topology

Following the work of Miranda for triple covers, given a covering map $f\colon X\rightarrow Y$,…

Speaker: Eduardo Dias
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages

The Prouhet-Thue-Morse sequence is obtained by starting with the letter a and successively…

Speaker: Jorge Almeida
Room 1.09 |
Geometry and Topology

A group $G$ is Jordan if there exists a constant $C$ such that
any finite subgroup of $G$…

Speaker: Ignasi Mundet i Riera
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages

In a paper of 1993, Pin and Thérien establish an algebraic characterization of the closure…

Speaker: Ana Escada
Room 1.09 |
Geometry and Topology

A generalised Kummer surface $X=Km(T,G)$ is the minimal resolution of the quotient $T/G$ of a…

Speaker: Xavier Roulleau
Room 1.09 |
Geometry and Topology

The Bethe Ansatz equations were initially conceived as a
method to solve some particular…

Speaker: Davide Masoero
Room 1.09 |
Geometry and Topology

I’ll explain how the absolute Galois group of the rationals acts on 

Speaker: Pedro Boavida de Brito