Abstract
LetM be a compact Riemannian manifold with no conjugate points such that its geodesic flow is expansive. Then we show that the universal Riemannian covering ofM is a hyperbolic geodesic space according to the definition of M. Gromov. This allows us to extend a series of relevant geometric and topological properties of negatively curved manifolds toM and in particular, geometric group theory applies to the fundamental group ofM.
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Ruggiero, R.O. Expansive dynamics and hyperbolic geometry. Bol. Soc. Bras. Mat 25, 139–172 (1994). https://doi.org/10.1007/BF01321305
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DOI: https://doi.org/10.1007/BF01321305