In a paper of 1993, Pin and Thérien establish an algebraic characterization of the closure…
Seminars
Past Seminars
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages
Speaker: Ana Escada
Room 1.09 |
Geometry and Topology
A generalised Kummer surface $X=Km(T,G)$ is the minimal resolution of the quotient $T/G$ of a…
Speaker: Xavier Roulleau
Room 1.09 |
Geometry and Topology
The Bethe Ansatz equations were initially conceived as a
method to solve some particular…
Speaker: Davide Masoero
Room 1.09 |
Geometry and Topology
I’ll explain how the absolute Galois group of the rationals acts on …
Speaker: Pedro Boavida de Brito
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages
We will uncover in this talk deep and surprising connections between the theories of…
Speaker: Pedro V. Silva
Room 1.09 |
Geometry and Topology
In this talk we will discuss a construction of scalar-flat Kähler toric metrics on non-compact 4…
Speaker: Rosa Sena-Dias
Room 1.09 |
Geometry and Topology
We explain the construction of an explicit regulator map at the level of complexes:…
Speaker: Pedro Ferreira dos Santos
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages
A code is a set of words that freely generates a free submonoid of the free monoid. A specially…
Speaker: Alfredo Costa
Room 0.06 |
Geometry and Topology
A complex space X is said to be hyperbolic if every holomorphic…
Speaker: Giancarlo Urzúa
Room 1.09 |
Geometry and Topology
One of the most beautiful objects of classical geometry is the Kummer Surface, that was studied…
Speaker: Dan Avritzer
DM-FCUP Room 0.07 |
Research Seminar Program (UC|UP MATH PhD program)
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages
We generalize to extensions by free groups ($G \rtimes F_n$) the classical theory of Stallings…
Speaker: Jordi Delgado
Room FC1.031 |
Dynamical Systems
TBA
Speaker: Sören Schwenker
Room FC1.005 |
Dynamical Systems
In this seminar we shall introduce the Conley index of an isolated invarant set of a flow on a local
Speaker: Hector Barge
Room FC1.031 |
Dynamical Systems
Os célebres resultados de S.Newhouse ([N]) mostram que a bifurcação de uma tangência homoclínic
Speaker: Sebastian Perez
Room FC1.031 |
Dynamical Systems
In this seminar, we explore the chaotic set near a homoclinic cycle to a hyperbolic bifocus at whic
Speaker: Alexandre Rodrigues
Room FC1.031 |
Dynamical Systems
A nonhyperbolic ergodic measure is an ergodic invariant measure with one Lyapunov exponent equal zer
Speaker: Dominik Kwietniak
Room FC1.005 |
Dynamical Systems
In this talk we intend to present the denition of mean topological dimension for a topological dyna
Speaker: Fagner Bernardini Rodrigues
Room ? |
Geometry and Topology
Let Λ be a D-algebra in the sense of Bernstein and Beilinson. Higgs bundles, vector bundles with fl
Speaker: Emilio Franco
Room 0.30 |
Geometry and Topology
Non-abelian gerbes are a generalization of principal G-bundles, involving the replacement of the Lie
Speaker: Roger Picken