A new curvature invariant and entropy of geodesic flow.
P. Sarnak, R. Osserman (1984)
Inventiones mathematicae
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P. Sarnak, R. Osserman (1984)
Inventiones mathematicae
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A. Katok, M. Pollicott, G. Knieper (1989)
Inventiones mathematicae
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A. Freire, R. Mane (1982)
Inventiones mathematicae
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Su-shing Chen (1981)
Mathematische Annalen
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Artur Avila, Marcelo Viana, Amie Wilkinson (2015)
Journal of the European Mathematical Society
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We consider volume-preserving perturbations of the time-one map of the geodesic flow of a compact surface with negative curvature. We show that if the Liouville measure has Lebesgue disintegration along the center foliation then the perturbation is itself the time-one map of a smooth volume-preserving flow, and that otherwise the disintegration is necessarily atomic.
François Blanchard (1993)
Bulletin de la Société Mathématique de France
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Walczak, Paweł G.
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Nalini Anantharaman (2006-2007)
Séminaire Équations aux dérivées partielles
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