Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/97957
Type: Artigo de periódico
Title: A Multiplicative Ergodic Theorem For Rotation Numbers
Author: Arnold L.
Martin L.S.
Abstract: Given a vector field X on a Riemannian manifold M of dimension at least 2 whose flow leaves a probability measure μ invariant, the multiplicative ergodic theorem tells us that μ-a.s. every tangent vector possesses a Lyapunov exponent (exponential growth rate) that is equal to one of finitely many basic exponents corresponding to X and μ. We prove that, in the case of a simple Lyapunov spectrum, every tangent plane μ-a.s. possesses a rotation number that is equal to one of finitely many basic rotation numbers corresponding to X and μ. Rotation in a plane is measured as the time average of the infinitesimal changes of the angle between a frame moved by the linearized flow and the same frame parallel-transported by a (canonical) connection. © 1989 Plenum Publishing Corporation.
Editor: Kluwer Academic Publishers-Plenum Publishers
Rights: fechado
Identifier DOI: 10.1007/BF01048792
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0009153436&partnerID=40&md5=e7125962a4a8e2974cbcbbc51e241665
Date Issue: 1989
Appears in Collections:Unicamp - Artigos e Outros Documentos

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