On the transitivity of Anosov diffeomorphisms
Luciana Salgado (UFRJ)

We derive a necessary and sufficient condition for an Ω-stable diffeomorphism to be a topologically transitive Anosov diffeomorphism: to exhibit a nonempty intersection of the stable and unstable manifolds of any pair of periodic orbits. To elucidate its dynamical nature, we compare this condition with other properties known to be sufficient for an Anosov diffeomorphism to be topologically transitive. We also describe the C1 interior of the set of diffeomorphisms which comply with this condition, discuss examples with a variety of dynamics and present some applications of interest. This is a joint work with Maria Carvalho (CMUP) and Vinicius Coelho (UFOB).