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Seminars

Future and Ongoing Seminars

FC1 0.04 and online |
Algebra, Combinatorics and Number Theory

We investigate finite and profinite groups with the Magnus property, where a group is said to…

Speaker: Claude Marion
FC1.031 |
Dynamical Systems

In this talk, we explore a martingale approximation framework that provides quantitative…

Speaker: João S. Matias
FC1 007 and Online |
Algebra, Combinatorics and Number Theory

As a consequence of the Littlewood-Richardson  commuters coincidence and the Kumar-Torres…

Speaker: Olga Azenhas
FC1 007 and Online |
Algebra, Combinatorics and Number Theory

A reduced word for a permutation of the symmetric group is its own commutation class if it has…

Speaker: Diogo Soares
FC1 007 and Online |
Algebra, Combinatorics and Number Theory

We introduce the concept of a nonassociative (i.e. not necessarily associative) inverse…

Speaker: Mikhailo Dokuchaev
Online |
Geometry and Topology

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

Speaker: Brian Collier
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

Past Seminars

Room M031 (DMat). Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
Coagulation equations are models of cluster growth based on the mass action law of chemical kinetics
Speaker: Fernando Pestana da Costa
Room M031 (DMat). Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
The Extremal Index (EI) is an important parameter which measures the clustering of extreme events in
Speaker: Hale Aytaç (CMUP)
FC M031 , Dmat-FCUP |
Semigroups, Automata and Languages
An atom of a regular language $L$ with $n$ (left) quotients is a non-empty intersection of uncomple
Speaker: Janusz Brzozowski (University of Waterloo, ON, Canada)
: FC 029 (A2), DCC-FCUP |
Semigroups, Automata and Languages
We show that every regular language defines a unique nondeterministic finite automaton (NFA), which
Speaker: Janusz Brzozowski (University of Waterloo, ON, Canada)
sala 0.05 |
Geometry and Topology
Monotone Lagrangian submanifolds are important objects in symplectic geometry but unfortunately we l
Speaker: Agnès Gadbled (CMUP)
Room M031 (DMat). Coffee is served after the talk (16h30-17h00). |
Dynamical Systems
Many (if not most) networks in biology, computer science, engineering and technology are asynchronou
Speaker: MikeField (Rice University, Houston, USA)
Room M030 of the Mathematics Department, FCUP |
Semigroups, Automata and Languages
We show that, for every pseudovariety of groups H, the pseudovariety consisting of all finite semigr
Speaker: Jorge Almeida
(FCUP / CMUP)
Room M031 (DMat). Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
We study a dichotomous decision model, where individuals can make the decision yes or no and can inf
Speaker: Abdelrahim Mousa
Room 0.04, Mathematics building, FCUP |
Algebra, Combinatorics and Number Theory
Ore localisation is a classical way to obtain ring epimorphisms with a flatness condition. Universal
Speaker: Jorge Vitória (Universitat Stuttgart)
Room M031. Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
Equivariant dynamical systems have canonical flow-invariant subspaces, the fixed point subspaces of
Speaker: Haibo Ruan (University of Hamburg, Germany)
Room M031. Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
attached
Speaker: Paulo Varandas (Universidade Federal da Bahia - Brazil)
Room M031. Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
Systems which involve coupling between continuous and discrete dynamics are known as Hybrid Systems.
Speaker: Nikita Agarwal (Indian Institute of Science Education and Research, India)
Room FC1-M031 (Maths Building) |
Analysis
Let $u$ be a form and the corresponding Hankel determinants $\Delta_n(u)$ ; suppose that there exis
Speaker: Pascal Maroni
CNRS - Centre National de Recherche Scientifique
Laboratoire Jacques-Louis Lions
Université Pierre Marie Curie, Paris, France
Room FC1-M027 (Maths Bldg) |
Algebra, Combinatorics and Number Theory
The ring of Hurwitz integers, being both a left and a right PID, could be thought of as being arithm
Speaker: António Machiavelo (FCUP/CMUP)
Room M031. Coffee is served before the talk (11h00-11h30). |
Dynamical Systems
The onset of collective motion in networks of pulse-coupled oscillators will be reviewed with refere
Speaker: Antonio Politi
Room 1.09 DMat, Coffee is served with speaker from 11:30. |
Statistics Modeling and Computational Applications
As séries temporais e espaço-temporais multidimensionais são observadas nos mais variados campos
Speaker: Isabel Silva (ims@fe.up.pt), Faculdade de Engenharia da Universidade do Porto
FC1-M027 (edificio de Matemática) |
Algebra, Combinatorics and Number Theory
We introduce a new notion of exact sequences in arbitrary pointed (non-exact) categories. We apply t
Speaker: Jawad Abuhlail (King Fahd University of Petroleum and Minerals)
Room M031. Coffee with the speaker is served after the talk (15h30-16h00). |
Dynamical Systems
Non-hyperbolic singularities and periodic orbits are two phenomena that may display extremely comple
Speaker: Pedro Teixeira (CMUP)
Room M027, Maths building, FCUP |
Algebra, Combinatorics and Number Theory
We prove a generalized version of a conjecture of A. Tyszka on the relative magnitude of solutions o
Speaker: Pedro J. Freitas (Univ. Lisboa)
Room 0.05, Mathematics building, FCUP |
Algebra, Combinatorics and Number Theory
Proper classes were introduced by Buchsbaum to axiomatize conditions under which a class of short ex
Speaker: Engin Büyükasik (Izmir Institute of Technology)