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What does smooth dynamical system mean? It is the title of a paper I am supposed to read in non linear systems.

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Can you provide a reference to the specific paper? The Wikipedia article on dynamical systems states that smooth can mean different things in different contexts. –  Daniel Geisler Apr 1 at 12:21
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Smooth usually means that the function is continuously differentiable. –  Kyle Kanos Apr 1 at 12:45

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A dynamical system is a system that evolves by a rule over time. As opposed to modeling a system with a PDE, the system is modeled by some type of iterated function, $f^t(x)$. Smooth implies that the function being iterated is differentiable, so we are not talking about an iterated system like cellular automata.

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