We show that the Reeb flow of every contact form on the tight three-sphere has at least two geometri
Seminars
Past Seminars
sala 0.03 |
Geometry and Topology
Speaker: Leonardo Macarini
Departamento de Matemática |
General seminar of CMUP
Speaker: Rute Almeida
Room S3 DCC-FCUP |
Semigroups, Automata and Languages
At the Jam Session on Semigroups and Automata that took place at CMUP in 2011, J. Almeida proposed t
Speaker: Jose Carlos Costa
(DMat-UM / CMat-UM)
(DMat-UM / CMat-UM)
Room M031. Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
The study of the long-time behavior of solutions to nonautonomous differential equations from the po
Speaker: Radosław Czaja (CAMGSD & IST)
Room M031. Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
Attached
Speaker: Joana Torres (CMAT - Universidade do Minho)
FC1004 |
Algebra and Geometry
In the first part of the talk we will discuss different aspects of the construction of moduli spaces
Speaker: Margarida Melo (Coimbra) and Filippo Viviani (Roma 3)
Room M031. Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
We consider systems for which there exists decay of correlations against $L^1$ observables. Examples
Speaker: Jorge Freitas (FCUP & CMUP)
Room M031. Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
We consider discrete time dynamical systems and show the link between Hitting Time Statistics (the d
Speaker: Ana Cristina Freitas
sala 0.03 |
Geometry and Topology
Rigidity of Lagrangian intersections play a fundamental role in symplectic geometry and topology. In
Speaker: Miguel Abreu (IST)
Sala M031. Será servido cafe depois da palestra (15h30-16h00). |
Geometry and Topology
Uma equação diferencial complexa e localmente dada por um campo de vectores da forma F(x,y)d/dx+G(
Speaker: Helena Reis (FEP & CMUP)
sala 0.03 |
Geometry and Topology
Speaker: Luca Scala (PUC-Rio)
Room M030 of the Mathematics Department, FCUP |
Semigroups, Automata and Languages
My aim is to talk about some of my work concerning the development of GAP packages. Particular empha
Speaker: Manuel Delgado (CMUP / DMat-FCUP)
Room M030 of the Mathematics Department, FCUP |
Semigroups, Automata and Languages
Descriptional complexity studies the measures of complexity of languages and operations. These studi
Speaker: Eva Maia (CMUP / DCC-FCUP)
Sala M031. Será servido cafe depois da palestra (15h30-16h00). |
Dynamical Systems
em anexo
Speaker: Fernando Moreira (CMUP)
Room M031. Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
We consider a partially hyperbolic set K on a Riemannian manifold M whose tangent space splits as T_
Speaker: Li Xin (FCUP, CMUP)
Room 0.07, Mathematics building, FCUP |
Algebra, Combinatorics and Number Theory
Ring epimorphisms are important from a representation-theoretical point of view as they provide a wa
Speaker: Jorge Vitória (Universitat Stuttgart)
Room M031. Coffee is served after the talk (15h30-16h00). |
Dynamical Systems
A conjecture of Victor Ivrii (1980) says that in every billiard with smooth boundary the set of peri
Speaker: Alexey Glutsyuk (ENS-Lyon)
sala 0.31 |
Geometry and Topology
A conjecture of Victor Ivrii (1980) says that in every billiard with smooth boundary the set of peri
Speaker: Alexey Glutsyuk (ENS-Lyon)
Room 0.07, Mathematics building, FCUP |
Algebra, Combinatorics and Number Theory
We consider the multiplication and differentiation operators x and d/dx, which generate the Weyl alg
Speaker: Samuel Lopes (Universidade do Porto/CMUP)
Room 0.06, Mathematics building, FCUP |
Algebra, Combinatorics and Number Theory
It is easy to check that the sum of any family of two-sided nil ideals of an associative ring is a n
Speaker: Edmund R.Puczylowski (Institute of Mathematics, University of Warsaw)