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
DMP 0.35 |
Algebra, Combinatorics and Number Theory
In this talk, some aspects of the theory of orthogonal polynomials will be in discussion. The eleme
Speaker: Ana Filipa Loureiro (CMUP & ISEC)
DMA FCUP, Anf 0:30 |
Numerical Analysis
Speaker: Ana Luísa Nunes (PhD student at PDMA - UP Applied Mathematics Doctoral Program)
Sala 0.05 – DMP/FCUP |
Semigroups, Automata and Languages
FAdo is an ongoing project which aims to provide a set of tools for symbolic manipulation of formal
Speaker: Rogerio Reis
(DCC-FC&LIACC- Universidade do Porto)
(DCC-FC&LIACC- Universidade do Porto)
Sala 0.05 – DMP/FCUP |
Semigroups, Automata and Languages
No contexto do problema geral do estudo da mansidão (completa) do produto semidirecto de pseudovari
Speaker: Lurdes Teixeira
(Departamento Matemática UM / Centro Matemática UM)
(Departamento Matemática UM / Centro Matemática UM)
Room 0.06 |
Algebra and Geometry
I will review the relationship between graded algebras and projective varieties, in particular reca
Speaker: Gavin Brown (University of Kent, Canterbury, UK)
Anfiteatro 0.03 |
Dynamical Systems
It is known that unstable periodic orbits of a given map give information about the natural measure
Speaker: Paulo Pinto (CMUP)
Room 0.06 |
Algebra and Geometry
The representation theories of symmetric groups and of general linear groups are linked through Schu
Speaker: Rowena Paget (University of Kent, Canterbury, UK)
Room 0.06 |
Algebra and Geometry
In recent publications, the same combinatorial description has arisen for three separate objects of
Speaker: Stephane Launois (University of Kent, Canterbury, UK)
Sala 0.05 – DMP/FCUP |
Semigroups, Automata and Languages
Um semigrupo $S$ chama-se ji (join irreducible) se $S\in V\vee W$ implica $S\in V$ ou $S\in W$. Nes
Speaker: Benjamin Steinberg
(Carleton University)
(Carleton University)
TBA |
Geometry and Topology
Mikhail Gromov introduced hyperbolic groups in 1987 through geometric properties of Cayley graphs, v
Speaker: Pedro Silva
(FCUP)
(FCUP)
Sala 0.05 – DMP/FCUP |
Semigroups, Automata and Languages
An effective characterization of piecewise testable languages was given by Simon who proved that a l
Speaker: Ondrej Klima
(Masaryk University, Czech Republic)
(Masaryk University, Czech Republic)
Anfiteatro 0.03 |
Dynamical Systems
The emergence of regular behavior is one of the most studied topics in nonlinear dynamical systems.
Speaker: Murilo Baptista
Anfiteatro 0.03 |
Dynamical Systems
We shall introduce a class of attractors for 3-flows that encompasses the hyperbolic ones and the Lo
Speaker: M. J. Pacifico - IM-UFRJ & SNS di Pisa
Sala 0.05 – DMP/FCUP |
Semigroups, Automata and Languages
Na tentativa de generalizar um resultado de Groves e Smith, onde se obtem um sistema de reescrita co
Speaker: António Malheiro
(FCTUNL / CAUL)
(FCTUNL / CAUL)
sala 0.03 |
Geometry and Topology
We will introduce the notion of $G$-Higgs bundle and focus in a particular case which gives us much
Speaker: Roberto Rubio
CSIC (Madrid)
CSIC (Madrid)
sala 0.03 |
Geometry and Topology
Speaker: Iakovos Androulidakis
CMUP
CMUP
sala 0.03 |
Geometry and Topology
A survey of our current understanding of smooth 4-manifolds.
Speaker: Rafael Torres
Max Planck Institute for Mathematics (Bonn)
Max Planck Institute for Mathematics (Bonn)
DMA, FCUP, Room 0.31 |
Signal Processing and Data Analysis
Abstract
The concept of similarity is crucial in statistical thinking, although most often we transl
Speaker: Jose C. Principe, Ph.D., University of Florida, USA
Mathematical Physics Seminar (CMUP/CFP)
The Chern-Simons path integral is one of the most interesting examples for the usefulness of heurist
Speaker: Atle Hahn (GFMUL)
sala 0.03 |
Geometry and Topology
Joint work with: Sami Dakhlia (Department of Economics and Finance, College
of Business, University
Speaker: Sofia Castro