Detecting the phenomenon of strange non-chaotic attractors

Alan Oxley


I comment on how chaos might be defined. A sample of dynamical systems that have quasi-periodic forcing functions is then considered. The normal approach found in the literature is to start with an ordinary differential equation, change to a difference equation, and then plot a graph. The question of how to detect a strange non-chaotic attractor without the underlying ordinary differential equation is posed and some pointers are given as to a possible method of solution using statistical analysis.

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Dynamical systems, SNA, chaotic dynamics, difference equations, quasi-periodically forced oscillators, periodic forcing.

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