Chronotopic Lyapunov analysis .2. Toward a unified approach

S Lepri, A Politi, A Torcini

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


From the analyticity properties of the equation governing infinitesimal perturbations, it is conjectured that all types of Lyapunov exponents introduced in spatially extended 1D systems can be derived from a single function that we call the entropy potential. The general consequences of its very existence on the Kolmogorov-Sinai entropy of generic spatiotemporal patterns are discussed.

Original languageEnglish
Pages (from-to)31-45
Number of pages15
JournalJournal of Statistical Physics
Issue number1-2
Publication statusPublished - Jul 1997


  • spatiotemporal chaos
  • coupled map lattices
  • entropy potential
  • comoving Lyapunov exponents


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