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On the generic nonexistence of rational geodesic foliations in the torus, Mather sets and Gromov hyperbolic spaces

On the generic nonexistence of rational geodesic foliations in the torus, Mather sets and Gromov... Given a rational homology classh in a two dimensional torusT 2, we show that the set of Riemannian metrics inT 2 with no geodesic foliations having rotation numberh isC k dense for everyk ∈ N. We also show that, generically in theC 2 topology, there are no geodesic foliations with rational rotation number. We apply these results and Mather's theory to show the following: let (M, g) be a compact, differentiable Riemannian manifold with nonpositive curvature, if (M, g) satisfies the shadowing property, then (M, g) has no flat, totally geodesic, immersed tori. In particular,M has rank one and the Pesin set of the geodesic flow has positive Lebesgue measure. Moreover, if (M, g) is analytic, the universal covering ofM is a Gromov hyperbolic space. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bulletin of the Brazilian Mathematical Society, New Series Springer Journals

On the generic nonexistence of rational geodesic foliations in the torus, Mather sets and Gromov hyperbolic spaces

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References (15)

Publisher
Springer Journals
Copyright
Copyright © 2000 by Sociedade Brasileira de Matemática
Subject
Mathematics; Mathematics, general; Theoretical, Mathematical and Computational Physics
ISSN
1678-7544
eISSN
1678-7714
DOI
10.1007/BF01377597
Publisher site
See Article on Publisher Site

Abstract

Given a rational homology classh in a two dimensional torusT 2, we show that the set of Riemannian metrics inT 2 with no geodesic foliations having rotation numberh isC k dense for everyk ∈ N. We also show that, generically in theC 2 topology, there are no geodesic foliations with rational rotation number. We apply these results and Mather's theory to show the following: let (M, g) be a compact, differentiable Riemannian manifold with nonpositive curvature, if (M, g) satisfies the shadowing property, then (M, g) has no flat, totally geodesic, immersed tori. In particular,M has rank one and the Pesin set of the geodesic flow has positive Lebesgue measure. Moreover, if (M, g) is analytic, the universal covering ofM is a Gromov hyperbolic space.

Journal

Bulletin of the Brazilian Mathematical Society, New SeriesSpringer Journals

Published: Feb 1, 2000

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