Preprint A154/2002
Robust transitivity implies almost robust ergodicity
Ali Tahzibi
Keywords: Robust transitivity | Almost robust ergodicity | Lyapunox exponents | Dominated splitting
In this paper we show the relation between robust transitivity and robust ergodicity for conservative diffeomorphisms. In dimension 2 robustly transitive systems are robustly ergodic. For the three dimensional case, we define almost robust ergodicity and prove that generically robustly transitive systems are almost robustly ergodic, if the Lyapunov exponents are nonzero. We also show in higher dimensions, that under some conditions robust transitivity implies robust ergodicity.