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Comptes Rendus Mathématique
Volume 336, n° 9
pages 769-772 (mai 2003)
Doi : 10.1016/S1631-073X(03)00171-7
Received : 25 January 2003 ;  accepted : 20 Mars 2003
A remark about hyperbolic infranilautomorphisms

Yong  Fang
Laboratoire de mathématique d'Orsay, UMR 8628 du CNRS, Université Paris-sud, France 


We show that any exact 2-form, preserved by a hyperbolic infranilautomorphism, must be zero. We then deduce two propositions about geometric Anosov flows and the time change of suspensions. To cite this article: Y. Fang, C. R. Acad. Sci. Paris, Ser. I 336 (2003).


Nous montrons qu'une 2-forme exacte, préservée par un infranilautomorphisme hyperbolique, s'annule, et nous en déduisons deux propositions sur les flots d'Anosov géométriques et le changement du temps des suspensions. Pour citer cet article : Y. Fang, C. R. Acad. Sci. Paris, Ser. I 336 (2003).

© 2003  Académie des sciences@@#104156@@

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