In addition to at least one positive Lyapunov exponent, why is it also necessary to have one zero Lyapunov exponent for the confirmation of chaos?

The positive Lyapunov exponent confirms chaos is a bounded, deterministic system. I suppose the boundedness of the system has to comply with the presence of one zero Lyapunov exponent. Then again...

27 August 2022 5,948 2 View