In this talk, we explore a martingale approximation framework that provides quantitative…
Seminars
Future and Ongoing Seminars
FC1.031 |
Dynamical Systems
Speaker: João S. Matias
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
As a consequence of the Littlewood-Richardson commuters coincidence and the Kumar-Torres…
Speaker: Olga Azenhas
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
A reduced word for a permutation of the symmetric group is its own commutation class if it has…
Speaker: Diogo Soares
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
We introduce the concept of a nonassociative (i.e. not necessarily associative) inverse…
Speaker: Mikhailo Dokuchaev
Online |
Geometry and Topology
I will present recent joint work with Jérémy Toulisse and Richard Wentworth on a differential…
Speaker: Brian Collier
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
In the 1950’s Davenport, Mirsky, Newman and Rado proved that if the integers are partitioned by…
Speaker: Martino Garonzi
Past Seminars
Room FC1.029, DMat-FCUP |
Semigroups, Automata and Languages
Recently, Yamamoto presented a new method for the conversion from regular expressions (REs) to non-d
Speaker: Eva Maia (FCUP/CMUP)
Room FC1.029, DMat-FCUP |
Semigroups, Automata and Languages
The algebraic language theory contributes to the classification of regular languages and to the deci
Speaker: Libor Polák (University Brno, Czech Republic)
Room M031 |
Dynamical Systems
Holomorphic dynamical systems are frequently non-uniformly hyperbolic systems.
I will discuss in the
Speaker: Nessim Sibony (Univ. Paris XI, France)
FC1--0.07 |
General seminar of CMUP
Proof search constitutes an interesting form of computation, for example, at the heart of logic pro
Speaker: Luís Pinto
Room M031 |
Dynamical Systems
Discutiremos alguns exemplos no bordo do conjunto dos sistemas uniformemente hiperbólicos. Destaca
Speaker: Isabel Rios (IMPA, Brasil)
Room M029 |
Dynamical Systems
We consider stochastic processes arising from dynamical systems by evaluating an observable
function
Speaker: Jorge Freitas
Room M031 |
Dynamical Systems
L.A. Bunimovich and B.Z. Webb developed a theory for isospectral graph reduc- tion. This procedure m
Speaker: Maria Joana Torres (CMAT e DMA, Universidade do Minho)
Room 0.06, FC1 |
Geometry and Topology
I will discuss work in progress aiming to characterize certain cohomological obstructions to symplec
Speaker: Gustavo Granja (IST, Lisbon)
Room M031 |
Dynamical Systems
We develop the concepts of ontogenesis and phylogenesis in the context of discrete
dynamical systems
Speaker: Carlos Ramos (Universidade de Évora)
FC1 - 0.06 |
Geometry and Topology
It is well known that, in dimension three, every tight contact structure on a connected sum is a con
Speaker: Paolo Ghiggini (Nantes)
Room M031 |
Dynamical Systems
We consider random perturbations of general non-uniformly expanding maps, possibly having a non-deg
Speaker: Hélder Vilarinho (UBI)
Room FC1.007, DMat-FCUP |
Semigroups, Automata and Languages
Given a regular language $L$, we study the language of words $dis{L}$, that distinguish between pa
Speaker: Rogério Reis (FCUP/CMUP)
FC1 - 0.06 |
Geometry and Topology
It is known since Beauville (1979) that if the canonical image $\phi(S)$ of a surface of general typ
Speaker: Carlos Rito (CMUP)
Room M031 |
Dynamical Systems
We construct networks from simple robust heteroclinic cycles in R4.
Under appropriate assumptions on
Speaker: Alexander Lohse (Universitat Hamburg, Germany)
Room FC1.006, DMat-FCUP |
Semigroups, Automata and Languages
In this talk, I will collect some results about random walks on regular languages over a finite alph
Speaker: Lorenz Gilch (University of Graz, Austria)
FC1 0.06 |
Geometry and Topology
We propose an extension of Heegaard Floer homology to contact manifolds of higher dimensions based
Speaker: Vincent Colin (Nantes)
Room M031 |
Dynamical Systems
Solutions of functional equations may have exotic properties: they may be singular, fractal or ev
Speaker: Cristina Serpa (CMAF, Lisboa)
Room FC1.029, DMat-FCUP |
Semigroups, Automata and Languages
The word problem for omega terms over a variety (of finite monoids) V is the following decision prob
Speaker: Jan Philipp Wachter (University of Stuttgart, Germany)
Room 0.07, FC1 |
Geometry and Topology
A celebrated theorem due to Gromov and Eliashberg states that the C^0-limit of a sequence of sym
Speaker: Rémi Leclercq
Room FC1.006, DMat-FCUP |
Semigroups, Automata and Languages
The Karoubi envelope plays a fundamental role in Tilson's Delay theorem. It is also known that two s
Speaker: Alfredo Costa (FCTUC/CMUC)