The Gruenberg-Kegel graph of a group is defined as the graph whose vertices are the primes that…
Seminars
Future and Ongoing Seminars
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
Speaker: Diego Lucas Garcia
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
Chen, Erdős, and Staton asked in 1996 how many edges are required in an n-vertex graph to…
Speaker: António Girão
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 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 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
Quasigroupoids and weak Hopf quasigroups are non-associative generalizations of groupoids and…
Speaker: Ramón González Rodríguez
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
Past Seminars
Room M031. Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
Abstract. For nonautonomous linear difference equations in a Banach space and admitting a very gener
Speaker: António Bento (Universidade da Beira Interior)
Room 0.06, Mathematics building, FCUP |
Algebra, Combinatorics and Number Theory
A left R-module M is called morphic if M/im(f) is isomorphic to ker(f), for every endomorphism f of
Speaker: Lavinia Pop (Babeş-Bolyai, Cluj-Napoca, Romenia)
Room M031. Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
A coupled cell system is a dynamical system distributed over the nodes (cells) of a network. Each ce
Speaker: Manuela Aguiar (Faculty of Economics, University of Porto & CMUP)
Room 0.06, Mathematics building, FCUP |
Algebra, Combinatorics and Number Theory
In this talk I will present Galois correspondence between subalgebras of a Hopf Galois extension and
Speaker: Marcin Szamotulski (IST, Universidade Tecnica de Lisboa)
sala 0.06 |
Geometry and Topology
Um metodo recentemente introduzido em um trabalho com H. Reis permite medir a taxa de aproximação
Speaker: Julio Rebelo
Room M031. Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
attached
Speaker: Sandra Vaz (Universidade da Beira Interior)
Room M005 of the Mathematics Department, FCUP |
Semigroups, Automata and Languages
Plactic monoids have their origin in Schensted's algorithm for computing the length of the longest i
Speaker: Alan Cain (CMUP)
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)
(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