The classification of tuples of matrices up to simultaneous conjugation is a classical problem…
Seminars
Future and Ongoing Seminars
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
Speaker: Rustam Turdibaev
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
Let $F$ be a family of finite groups closed under taking subgroups, quotients and finite direct…
Speaker: Martino Garonzi
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
How much does the universal enveloping algebra of a Lie algebra remember about the Lie algebra…
Speaker: Ricardo Campos
Past Seminars
Online Zoom meeting |
Semigroups, Automata and Languages
An inverse monoid is called special if it is defined by a presentation where all the defining…
Speaker: Robert Gray
FC1.004 |
CMUP Informal PHD Seminar
In this talk we present some lemmas concerned with a recent work about zeros of shifted…
Speaker: Pedro Ribeiro
Online Zoom meeting |
Semigroups, Automata and Languages
The associative spectrum was introduced by Csákány and Waldhauser in 2000 and has appeared in…
Speaker: Erkko Lehtonen
FC 0.31 |
Geometry and Topology
In this talk I will explain how virtual resolutions are useful to study the geometrical…
Speaker: Eliana Duarte
Online Zoom meeting |
Semigroups, Automata and Languages
In this talk I will give an overview of the fundamental algorithms for computing…
Speaker: James Mitchell
FC1.031 |
CMUP Informal PHD Seminar
Rational and recognizable subsets of groups are part of an important connection between the…
Speaker: André Carvalho
Room 1.19 |
Geometry and Topology
For some classes of hyperbolic surfaces, all locally finite ergodic measures invariant under…
Speaker: DR. Cheikh lo
FC1 030 |
Algebra, Combinatorics and Number Theory
In this talk, an overview will be presented about hom-algebra structures, with focus on…
Speaker: Sergei Silvestrov
Online Zoom meeting |
Semigroups, Automata and Languages
In this talk I will present a certain hierarchy of diagrammatic monoids which can be unified by…
Speaker: Volodymyr Mazorchuk
FC1 030 |
Algebra, Combinatorics and Number Theory
Hypercubes are arguably one of the most fundamental and most studied objects in Combinatorics.…
Speaker: António Girão
Room 1.20 |
Geometry and Topology
Compact Hyperkaeler manifolds play a central role in complex algebraic geometry, as they arise…
Speaker: Valeria Bertini
Room M030, DMat-FCUP |
Computational Mathematics
Abstract
Speaker: Maria Bras-Amorós
Online Zoom meeting |
Semigroups, Automata and Languages
The study of the subgroup fixed by an automorphism of a free group started with the work of…
Speaker: André Carvalho
Online Zoom meeting |
Semigroups, Automata and Languages
Given a finite group $G$, the generating graph $\Gamma(G)$ of $G$ has as vertices the (…
Speaker: Claude Marion
Online seminar |
Algebra, Combinatorics and Number Theory
In dimension 2, a domino is a $2\times 1$ rectangle. Domino tilings of quadriculated regions…
Speaker: Nicolau Saldanha
1.09 |
Geometry and Topology
In 1975 Narasimhan and Ramanan studied the action of a line bundle $L$ of finite order on the…
Speaker: Guillermo Barajas Ayuso
Online Zoom meeting |
Semigroups, Automata and Languages
Following a correspondence due to Almeida, every uniformly recurrent language determines a…
Speaker: Herman Goulet-Ouellet
online |
Geometry and Topology
Abstract. In this talk we will focus on semicomplete Halphen vector fields.
Speaker: Ahmed Elshafei
Online Zoom meeting |
Semigroups, Automata and Languages
In 1985, Bucher, Ehrenfeucht and Haussler studied derivation relations associated with a given…
Speaker: Ondřej Klíma
Online Zoom meeting |
Semigroups, Automata and Languages
Let $I_n$ be the symmetric inverse semigroup on $…
Speaker: Georg Klein