The commuting graph of a finite non-commutative semigroup $S$ is the simple graph whose vertices…
Seminars
Future and Ongoing Seminars
FC1 031 and online |
Algebra, Combinatorics and Number Theory
Speaker: Tânia Paulista
FC1.031 |
Dynamical Systems
We introduce a class of linear bounded invertible operators on Banach spaces, called shift…
Speaker: Udayan B. Darji
FC1 031 and online |
Algebra, Combinatorics and Number Theory
Kruskal’s uniqueness theorem gives a simple criterion ensuring that a 3-way tensor admits a…
Speaker: Alexander Taveira Blomenhofer
FC1 031 and online |
Algebra, Combinatorics and Number Theory
I will review some classical examples of groups whose strictly descending chains of subgroups…
Speaker: Sam Corson
Past Seminars
Anfiteatro 0:30, Departamento de Matemática Aplicada FCUP |
Numerical Analysis
Over the last 20 years, since the publication of Sloan’s paper, various approaches have been propo
Speaker: Rekha P. Kulkarni
Indian Institute of Technology, Bombaim
Indian Institute of Technology, Bombaim
Anfiteatro 0.31 Departamento de Matemática Aplicada FCUP |
General seminar of CMUP
What are quasicrystals, and what's "quasi" about them? In fact there is nothing quasi about them - q
Speaker: Marjorie Senechal
Louise Wolff Kahn Professor in Mathematics and History of Science and
Technology
Co-Editor, The Mathematical Intelligencer
Smith College
Northampton, MA 01063 EUA
Louise Wolff Kahn Professor in Mathematics and History of Science and
Technology
Co-Editor, The Mathematical Intelligencer
Smith College
Northampton, MA 01063 EUA
Sala 0.04, Edifício dos Departamentos de Matemática, FCUP |
Geometry and Topology
Given a volume form on an oriented Poisson manifold one can define the curl (or modular) vector fiel
Speaker: Inês Cruz
Sala 0.05, DMP-FCUP |
Semigroups, Automata and Languages
Na manipulação simbólica de autómatos finitos e importante ter uma representação compacta que
Speaker: Rogerio Reis (DCC-FCUP e LIACC)
Sala 0.04 (DMP) |
Semigroups, Automata and Languages
Using bi-machines and matrices with coefficients in certain semi-rings, we prove an algebraic versio
Speaker: John Rhodes (University of California, Berkeley)
Sala 0.04, Edifício dos Departamentos de Matemática, Faculdade de Ciências da Universidade do Porto |
Dynamical Systems
Speaker: Carlos Rocha (Instituto Superior Tecnico, UTL)
sala ma 0:31 |
Numerical Analysis
In this conference we shall discuss the use of the singularity subtraction technique as a method to
Speaker: Mario AHUES Laboratoire de Mathematiques, Universite de Saint-Etienne, France
sala 0.30, Departamento de Matemática Aplicada, FCUP |
Geometry and Topology
The varieties of characters of representations of finitely generated groups into SL(2,C) have intere
Speaker: Carlos Florentino
sala0.42, DMP-FCUP |
Other
Um R-módulo M e dito distributivo se seu reticulado de R-submódulos e distributivo, isto e, para t
Speaker: Alveri A. Sant'Ana (Universidade Federal de Rio Grande do Sul, Porto Alegre)
Sala 0.04, Edifício dos Departamentos de Matemática, Faculdade de Ciências da Universidade do Porto |
Dynamical Systems
Golubitsky and Stewart (Hopf bifurcation with dihedral group symmetry: Coupled
nonlinear oscillators
Speaker: Rui Paiva (Faculdade de Ciências, Univ. Porto)
sala 1.25, DMP-FCUP |
Other
By a normed algebra we mean a real or complex (possibly nonassociative) algebra A endowed with a nor
Speaker: María Burgos
(Universidad de Almería)
(Universidad de Almería)
Sala 0.04, Edifício dos Departamentos de Matemática, FCUP |
Geometry and Topology
Speaker: Alexey Remizov
sala0.37, DMP-FCUP |
Other
Um R-módulo M e dito distributivo se seu reticulado de R-submódulos e distributivo, isto e, para t
Speaker: Alveri A. Sant'Ana (Universidade Federal de Rio Grande do Sul, Porto Alegre)
Sala 0.04 |
Semigroups, Automata and Languages
Any semigroup S can be embedded into a semigroup, denoted \phi S, having some remarkable properties
Speaker: Mario Petrich
sala 0.06, Edifício dos Departamentos de Matemática, FCUP |
Geometry and Topology
We study representations of the fundamental group of a compact surface in the group of isometries of
Speaker: Oscar García-Prada
sala 0.06, Edifício dos Departamentos de Matemática, FCUP |
Geometry and Topology
In 1957 Milnor constructed flat bundles with non-trivial Euler classes. We will describe these and r
Speaker: Steven Bradlow
sala 0.05, Edifício dos Departamentos de Matemática, FCUP |
Geometry and Topology
Passaremos então o vídeo da segunda (e última) aula de Robin Forman com o título "Topics in Comb
Speaker: Robin Forman
Sala 0.04, Edifício dos Departamentos de Matemática, Faculdade de Ciências da Universidade do Porto |
Dynamical Systems
A anunciar
Speaker: Gabriela Gomes (Instituto Gulbenkian de Ciência)
DMP-FCUP, sala 0.36 |
Other
Na decada 50, Johnson e Utumi desenvolveram o conceito do anel de quocientes maximais. Em 1956, Find
Speaker: Christian Lomp (DMP-UP)
Sala 0.04 |
Semigroups, Automata and Languages
Existem duas classes de semigrupos que surgem naturalmente quando se pretende generalizar o conceito
Speaker: Luís Oliveira.