Novelties on Lorenz attractors Read more about Novelties on Lorenz attractors We shall introduce a class of attractors for 3-flows that encompasses the hyperbolic ones and the Lo
How common periodic stable behavior appears in chaotic systems Read more about How common periodic stable behavior appears in chaotic systems The emergence of regular behavior is one of the most studied topics in nonlinear dynamical systems.
Tangências C1-robustas. Read more about Tangências C1-robustas. Apresentaremos um mecanismo semi-local (as misturadores tipo ferradura ou "blender-horseseshoes") qu
Expoentes de Lyapunov para sistemas de equações lineares não autónomas Read more about Expoentes de Lyapunov para sistemas de equações lineares não autónomas Neste seminário discutiremos a existência de expoentes de Lyapunov não nulos para cociclos Holder
Atractores hiperbólicos-singulares são caóticos Read more about Atractores hiperbólicos-singulares são caóticos Recentemente, em trabalho conjunto com M.J. Pacifico, E. Pujals e M. Viana, mostrámos que todo atra
Equilibrium states for dynamical systems II: towards non-uniform hyperbolicity Read more about Equilibrium states for dynamical systems II: towards non-uniform hyperbolicity I will introduce the theory of equilibrium states for infinite state Markov shifts. This will later
Equilibrium states for dynamical systems III: equilibrium states for multimodal maps of the interval Read more about Equilibrium states for dynamical systems III: equilibrium states for multimodal maps of the interval I will show how Sarig's theory and our theory of inducing schemes fits together to produce equilibri
Existência e regularidade de variedades estáveis p/ perturbações de dicotomias exp. não-uniformes Read more about Existência e regularidade de variedades estáveis p/ perturbações de dicotomias exp. não-uniformes Neste seminário consideraremos a existência e regularidade de variedades invariantes estáveis par
Equilibrium states for dynamical systems I: the uniformly hyperbolic case Read more about Equilibrium states for dynamical systems I: the uniformly hyperbolic case I will motivate, define and show how to construct equilibrium states/measures for dynamical systems.
Some conditions precluding the existence of absolutely continuous invariant probability measures Read more about Some conditions precluding the existence of absolutely continuous invariant probability measures Benedicks and Misiurewicz showed that given a Misiurewicz interval map $f$, there exists an absolute