Lyapunov exponents for some quasi-periodic cocycles

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We consider SL(2, ℝ)-valued cocycles over rotations of the circle and prove that they are likely to have Lyapunov exponents ≈ ±logλ if the norms of all of the matrices are ≈ λ. This is proved for λ sufficiently large. The ubiquity of elliptic behavior is also observed. † This research is partially supported by the National Science Foundation.

Original languageEnglish (US)
Pages (from-to)483-504
Number of pages22
JournalErgodic Theory and Dynamical Systems
Issue number2
StatePublished - Apr 1997

ASJC Scopus subject areas

  • General Mathematics
  • Applied Mathematics


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