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
CMUP, FCUP |
Site do seminário: https://www.mat.uc.pt/~pgsfop/index.html
Speaker: Claude Brezinski, Pascal Maroni e Michela Redivo-Zaglia
Department of Mathematics of Faculty of Sciences of University of Porto |
Live streamed at https://fc-up…
Speaker: Kenier Castillo, Semyon Yakubovich, Claude Brezinski, Pascal Maroni e Michela Redivo-Zaglia
FC1 0.31 |
Geometry and Topology
On a symplectic manifold $M$ with a hamiltonian action by a group $K$, it is natural to perform…
Speaker: Thomas Baier
FC1 0.31 |
Geometry and Topology
Speaker: João Nuno Mestre
Online Zoom meeting |
Semigroups, Automata and Languages
Endowed with the operation of setwise multiplication induced by a multiplicatively written…
Speaker: Salvatore Tringali
FC1 0.31 |
Geometry and Topology
After reviewing the formalism of Simpson's shapes for the non-abelian Hodge theory associated to…
Speaker: Emilio Franco
FC1 0.31 |
Geometry and Topology
In a work in progress with Gabriel …
Speaker: Frank Loray
Room FC6029 (CS Bldg., FCUP) and Online |
Semigroups, Automata and Languages
Weighted automata were designed by M.-P. Schützenberger to recognize languages beyond regular…
Speaker: Sylvain Lombardy
Room FC6029 (CS Bldg., FCUP) and Online |
Semigroups, Automata and Languages
The topic of this talk is the transformation of rational expressions into finite automata, a…
Speaker: Jacques Sakarovitch
Online Zoom meeting |
Semigroups, Automata and Languages
A seminal paper published in 2012 by Berstel et al.
Speaker: Alfredo Costa
Online Zoom meeting |
Geometry and Topology
The Minimal Model Program (MMP) is a far reaching conjecture in birational geometry which aims…
Speaker: Tiago Duarte Guerreiro
FC1 029 |
Algebra, Combinatorics and Number Theory
(This is joint work with J. Delgado and M.
Speaker: Enric Ventura
FC1 029 |
General seminar of CMUP
In this talk we will present new aspect of Frobenius manifolds.
The Frobenius manifolds…
Speaker: Noémie Combe
Online Zoom meeting |
Semigroups, Automata and Languages
The center of a group consists of all elements which commute with everything.
Speaker: David Stanovský
Geometry and Topology
We recall the construction of a fundamental differential system of Riemannian geometry and…
Speaker: Rui Albuquerque
FC1 007 |
Algebra, Combinatorics and Number Theory
The classification of simple modules for a simple Lie algebra $\mathfrak{g}$ seems beyond reach…
Speaker: Eduardo Monteiro Mendonça
FC1.031 |
Geometry and Topology
Consider a holomorphic foliation F on a complex manifold.
Speaker: Lucas Kaufmann
Online Zoom meeting |
Semigroups, Automata and Languages
In this talk I will present ultimate periodicity properties related to overlaps between the…
Speaker: Conceição Nogueira
Online Zoom meeting |
Semigroups, Automata and Languages
The Dehn function for a semigroup or group $M$…
Speaker: Carl-Fredrik Nyberg brodda
Room FC1 0.31 |
Geometry and Topology
This talk will be an overview on Higgs bundles moduli spaces and on the geometry of the…
Speaker: André Oliveira