OttoChaos: From the nonlinear dynamical systems theory to observational chaos

Nom complet
From the nonlinear dynamical systems theory to observational chaos

From the nonlinear dynamical systems theory to observational chaos

Octobre 9-11, 2023 – TOULOUSE, FRANCE



Otto E. Rössler completed his studies in medicine but was never a physician. He spent a post-doc with Konrad Lorenz about socio-biology and cognitive science. He continued with a second post-doc with Robert Rosen with whom he learned to reproduce observed dynamics with differential equations. He then started as an academic by teaching computer programming and computed numerical solutions to the differential equations governing chemical reactions. Otto submitted his first paper on chaos in 1976. The Rössler system quickly became one of the prototypes on which the paradigm of chaos theory is constructed. He also introduced hyperchaos and suggested a classification of chaotic attractors. Otto E. Rössler investigated applications of chaos in various fields: chemistry, heart rhythm, biology, electronics, astrophysics, fluid mechanics…

In order to celebrate his contribution to chaos theory for his 80th birthday3+, this forthcoming conference is devoted to enlightening how chaotic behaviors help to understand the reality of the world in its complexity. Contributions should try to show how the concepts of state space, attractor, first-return maps, Poincaré sections, bifurcations, etc. combined with advanced concepts allow for better views of the possible dynamics produced by simple as well as complex systems. Contributions can be either theoretical, numerical, experimental, observational or historical.


  • Webpage


  • Main topics
    • History of chaos
    • Data analysis
    • Nonlinear dynamical systems theory
    • Environmental dynamics (hydrology, epidemiology, oceanoraphy, climatology, ...)
    • Applications (physics, chemistry, biology, plasma, astrophysics, electronics, ...)


  • Contribution submission

Deadline for the abstract: June 30, 2023
Notification of acceptance: July 15, 2023
Deadline for the full paper (6 pages): September 1st, 2023
Proceedings will be provided to each participant at the beginning of the workshop.
LaTeX file style for the abstract and template can be found on the conference webpage.


  • Scientific Committee


  • Organizing committee

Sylvain Mangiarotti (Centre d’Etudes Spatiales de la Biosphère, OMP-CESBIO, UPS-CNES-CNRS-IRD-INRAE, Toulouse)
Christophe Letellier (CORIA, Rouen Normandie Université)