Abstract
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.
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Lepri, S., Politi, A. & Torcini, A. Chronotopic Lyapunov analysis: II. Toward a unified approach. J Stat Phys 88, 31–45 (1997). https://doi.org/10.1007/BF02508463
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DOI: https://doi.org/10.1007/BF02508463