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 0.07 Math Dept. FCUP |
Algebra, Combinatorics and Number Theory
Let the finite group $G$ act linearly on the vector space $V$ over the field $k$ of
arbitrary charac
Speaker: Abraham Broer
Sala 0.05 – Dep. Matemática/FCUP |
Semigroups, Automata and Languages
Free profinite semigroups over pseudovarieties of finite semigroups proved to be crucial for the dev
Speaker: Alfredo Costa
(FCTUC/CMUC)
(FCTUC/CMUC)
Anf. 0.06 |
Dynamical Systems
Seja $H$ um Hamiltoniano, $e\in\mathbb{R}$ uma energia e $E(H,e)$ uma componente conexa de $H^{-1}(e
Speaker: Celia Ferreira (CMUP)
Room 0.07 (Mathematics Department Building) |
Algebra, Combinatorics and Number Theory
A list of generators and relations offers a succinct presentation for an algebra over a field, but w
Speaker: Thomas Cassidy
Anf. 0.31 |
Dynamical Systems
We make use of a new construction in the natural extension to study ergodic invariant probability me
Speaker: Neil Dobbs (KTH, Sweden)
Anf. 0.31 |
Dynamical Systems
Estudaremos a criação de ciclos heterodimensionais robustos na topologia C1 e suas consequências
Speaker: Lorenzo J. Díaz (PUC-Rio, Brasil)
Sala 0.05 – Dep. Matemática/FCUP |
Semigroups, Automata and Languages
Over the last decades, several questions related to the synchronization of automata have been studie
Speaker: Ângela Cardoso
(FCUP/CMUP)
(FCUP/CMUP)
Anf. 0.31 |
Dynamical Systems
Vou discutir alguns abordagens para estudar sistemas dinâmicos que carecem de hiperbolicidade unifo
Speaker: Katrin Gelfert (IMPA, Brasil)
Anf. 0.31 |
Dynamical Systems
Explicaremos a noção de misturador, os diferentes tipos de misturadores, como aparecem e como são
Speaker: Lorenzo J. Díaz (PUC-Rio, Brazil)
Anf. 0.31 |
Dynamical Systems
Estudaremos a existência de tangências homoclínicas robustas na topologia C1 e exibiremos um meca
Speaker: Lorenzo J. Díaz (PUC-Rio, Brasil)
Departamento de Matemática (sala a anunciar) |
General seminar of CMUP
We analyze a possibility to reduce an impact of pollution emission in water bodies on its quality ex
Speaker: Alexey Davydov
(Vladimir State Univ)
(Vladimir State Univ)
Departamento de Matemática (sala a anunciar) |
General seminar of CMUP
We give an introduction to the theory of singular Legendre varieties and then describe its applicati
Speaker: Vladimir Zakalyukin
(Liverpool Univ & Moscow State Univ)
(Liverpool Univ & Moscow State Univ)
Anf. 0.31 |
Dynamical Systems
Formas fracas de especificação e estimativas de grandes desvios para sistemas com hiperbolicidade nã
Dada uma transformação contínua e uma medida invariante e ergódica, o teorema ergódico
de Birkh
Speaker: Paulo Varandas (UFBA, Brasil)
Anf. 0.31 |
Dynamical Systems
We study some dynamical features of certain coupled cell networks that consist of two (unidirectiona
Speaker: Carla Pinto (CMUP)
Sala 0.07 |
Geometry and Topology
In this talk, a proof of a conjecture of B. Shoikhet is presented,
which gives an alternative appro
Speaker: Carlo Rossi (IST)
Anf. 0.31 |
Dynamical Systems
Dynamically defined Cantor sets appear in a natural way not only in many problems of smooth dynamica
Speaker: Anton Gorodetski (Caltech)
Anf. 0.31 |
Dynamical Systems
We consider two agents interacting under the RSP-game. First, we analyse the case of perfect memory
Speaker: Manuela Aguiar & Frederico Teixeira (FEP & CMUP)
Sala 0.07 |
Geometry and Topology
Lie groupoids are natural generalizations of Lie groups. In the world of Lie groups it is well-known
Speaker: Florian Schaetz
0.07 |
Geometry and Topology
The birational classification of projective manifolds was developed
by F. Severi, R. Hall and D. Lie
Speaker: Jaume Amoros (Univ. Politecnica de Catalunia)
Anf. 0.31 |
Dynamical Systems
Global behavior of continuous and discrete dynamical systems is an interesting question. For local s
Speaker: Begona Alarcón (Univ. Oviedo)