%0 Journal Article %T Robustly transitive actions of $R^2$ on compact three manifolds %A Ali Tahzibi %A Carlos Maquera %J Mathematics %D 2006 %I arXiv %X In this paper, we define $C^1$-robust transitivity for actions of $\RR^2$ on closed connected orientable manifolds. We prove that if the ambient manifold is three dimensional and the dense orbit of a robustly transitive action is not planar, then it is "degenerate" and the action is defined by an Anosov flow. %U http://arxiv.org/abs/math/0606103v1