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1 results

  • Lagrangian descriptors and their applications to deterministic chaos

  • Jérôme Daquin
  • Journal:
    Proceedings of the International Astronomical Union / Volume 18 / Issue S382 / December 2022
    Published online by Cambridge University Press:
    16 October 2024, pp. 80-85
    Print publication:
    December 2022
    • Article
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  • We present our recent contributions to the theory of Lagrangian descriptors for discriminating ordered and deterministic chaotic trajectories. The class of Lagrangian descriptors we are dealing with is based on the Euclidean length of the orbit over a finite time window. The framework is free of tangent vector dynamics and is valid for both discrete and continuous dynamical systems. We review its last advancements and touch on how it illuminated recently Dvorak’s quantities based on maximal extent of trajectories’ observables, as traditionally computed in planetary dynamics.