Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/82267
Type: Artigo de periódico
Title: Morse and Lyapunov spectra and dynamics on flag bundles
Author: Martin, LABS
Seco, L
Abstract: In this paper we study characteristic exponents of flows in relation with the dynamics of flows on flag bundles. The starting point is a flow on a principal bundle with semi-simple group G. Projection against the lwasawa decomposition G = K AN defines an additive cocycic over the flow with values in a = log A Its Lyapunov exponents (limits along trajectories) and Morse exponents (limits along chains) are studied. A symmetric property of these spectral sets is proved, namely invariance under the Weyl group We also prove that these sets are located in certain Weyl chambers. defined from the dynamics on the associated flag bundles. As a special case linear flows on vector bundles are considered.
Country: EUA
Editor: Cambridge Univ Press
Rights: embargo
Identifier DOI: 10.1017/S0143385709000285
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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