Yves Coudene, Barbara Schapira
Published 2010-04-29Version 1
We give examples of rank one compact surfaces on which there exist recurrent geodesics that cannot be shadowed by periodic geodesics. We build rank one compact surfaces such that ergodic measures on the unit tangent bundle of the surface are not dense in the set of probability measures invariant by the geodesic flow. Finally, we give examples of complete rank one surfaces for which the non wandering set of the geodesic flow is connected, the periodic orbits are dense in that set, yet the geodesic flow is not transitive in restriction to its non wandering set.
On the ergodicity of geodesic flows on surfaces of nonpositive curvature
On the geodesic flow of surfaces of nonpositive curvature
On the ergodicity of geodesic flows on surfaces without focal points
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