In a moduli space, usually, we impose a notion of stability for the objects and, when construc
Seminars
Past Seminars
Anfiteatro 0.04 |
Geometry and Topology
Speaker: Alfonso Zamora (IST, Lisbon)
Room 0.04 |
Geometry and Topology
On surfaces of general type with geometric genus zero, K^2=3 and non-Abelian fundamental group of or
The moduli space of surfaces of general type with fixed numerical invariants is an intricate object.
Speaker: Jorge Sentieiro Neves (Coimbra)
Room 0.03 |
Geometry and Topology
I will describe a construction of symplectic manifolds diffeomorphic to T^* S^n, but with symplectic
Speaker: Maksim Maydanskiy (Paris VI)
Room M031 |
Dynamical Systems
We study the absolutely continuous invariant probability (SRB) measure $m_t$ of $f_t$, as a fu
Speaker: Michael Benedicks
Room FC1 0.30, DMat-FCUP |
Statistics Modeling and Computational Applications
We are interested in reduced-bias versions of a simple generalisation of the classical Hill estimato
Speaker: M. Ivette Gomes (CEAUL and DEIO, University of Lisbon, Portugal)
Room M031 |
Dynamical Systems
We consider polyhedric dynamical billiards with a modified contractive reflexion law, proving that
Speaker: Pedro Duarte (FCUL and CMAF, Lisbon)
Room FC1.030, DMat-FCUP |
Semigroups, Automata and Languages
Automaticity, finite complete rewriting systems, and finite derivation type for homogeneous monoids.
In recent work with Gray and Malheiro, I proved that finite-rank plactic monoids admit present
Speaker: Alan Cain (CAUL)
room 006 (FC1-Maths Building) |
Algebra, Combinatorics and Number Theory
In a joint work with Marco Mackaay, we categorify the extended affine type A Hecke algebra and the a
Speaker: Anne-Laure Thiel (Uppsala Univ./Sweden)
Room M031 |
Dynamical Systems
In this talk, we describe some recent results on super-polynomial decay of correlations for geometri
Speaker: Paulo Varandas (UFBA - Brasil)
Room M004 |
Dynamical Systems
We consider some nonuniformly hyperbolic invertible dynamical system which are modeled by a Gi
Speaker: Benoit Saussol (Laboratoire de Mathématiques de Brest, Université de Bretagne Occidentale, Brest)
Room M031 |
Dynamical Systems
We analyze the dynamics of a class of $\mathbb{Z}_6-$equivariant systems of the form $\dot{z}=pz^2\b
Speaker: Adrian Murza
Anfiteatro 0.03 |
Geometry and Topology
There is (almost) no information available on the literature about complex algebraic surfaces of gen
Speaker: Carlos Rito
Room M031 |
Dynamical Systems
We consider time dependent mean-field games (MFG) with a local power-like dependence on the meas
Speaker: Edgard Pimentel (CAMGSD{IST{UTL, Lisbon)
Room FC1030 |
Semigroups, Automata and Languages
In order to solve the k-word problem for the pseudovariety LG of local groups, we began constructing
Speaker: Lurdes Teixeira (DMat-UM / CMat-UM)
Room M031 |
Dynamical Systems
Synchronization is a fundamental nonlinear phenomenon, which can be observed in many real systems. W
Speaker: Acilina Caneco (ISEL - CIMA - Universidade de evora)
Room M031 |
Dynamical Systems
We study the set of C1 area-preserving maps on a surface displaying a reversing
isometry of degree 2
Speaker: Alexandre Rodrigues (FCUP - CMUP)
Room M031 |
Dynamical Systems
Consideramos difeomorfismos de uma variedade Riemanniana possuindo em alguma região compacta positi
Speaker: Jose Ferreira Alves
Room FC1006, DMat-FCUP |
Semigroups, Automata and Languages
To each irreducible subshift over a finite alphabet, one may naturally associate a regular J-class o
Speaker: Jorge Almeida
(FCUP - CMUP)
(FCUP - CMUP)
Room M031 |
Dynamical Systems
We present an extension of the notion of infinitesimal Lyapunov function to singular flows, and from
Speaker: Vítor Araújo (UFBA - Brasil)
Room M030 |
Dynamical Systems
A classical theorem on symmetric random walks on groups asserts that the spectral radius of the asso
Speaker: Manuel Stadlbauer (Universidade Federal da Bahia, Brasil)