Roughness of Geodesic Flows on Compact Riemannian Manifolds of Negative Curvature

Giving a smooth vector field f(w) on a compact manifold W ^m defines a dynamical system (1) w = f ( w ) . https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781003069515/f3ef54a9-ca7f-48a5-bad6-5d54427f48cf/content/eq3465.tif"/>