We show that, for every pseudovariety of groups H, the pseudovariety consisting of all finite semigr
Seminars
Past Seminars
Room M030 of the Mathematics Department, FCUP |
Semigroups, Automata and Languages
Speaker: Jorge Almeida
(FCUP / CMUP)
(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
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
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 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
Room M031. Coffee with the speaker is served after the talk (15h30-16h00). |
Dynamical Systems
Non-hyperbolic singularities and periodic orbits: what can be learned from the topological-dynamical
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)
Room M031. Coffee with the speaker is served after the talk (15h30-16h00). |
Dynamical Systems
This talk is dedicated to the possibility to characterize the density function of the first Poincare
Speaker: Paulo Pinto (CMUP)
Room M007 of the Mathematics Department, FCUP |
Semigroups, Automata and Languages
The global of a pseudovariety of semigroups is the pseudovariety of semigroupoids it generates wh
Speaker: Ana Escada (FCTUC / CMUC)
Room M031. Coffee with the speaker is served after the talk (15h30-16h00). |
Dynamical Systems
attached
Speaker: Patrícia Gonçalves (CMAT – University of Minho)
FC1-M027 (edificio do Dep. Matemática) |
Algebra, Combinatorics and Number Theory
Last year, Izakhian and Rhodes developed a theory of representation of matroids by boolean matrices
Speaker: Pedro V. Silva (Univ. Porto/CMUP)
FC1-M003 (edificio de Matemática) |
Algebra, Combinatorics and Number Theory
A ring R is called right McCoy if whenever non-zero polynomials f (x) and g(x) in R[x] satisfy f (x)
Speaker: Michal Ziembowski (Warsaw University of Technology)
Room M031. Coffee is served before the talk (09h00-09h30). |
Dynamical Systems
Applications II: Rotation number of planar attractors
Speaker: Francisco del Portal (Universidad Complutense de Madrid)