J. Phys. IV France 08 (1998) Pr6-139-Pr6-146
Predictability in chaotic systems and turbulenceG. Boffetta1 and A. Celani2
1 Dipartimento di Fisica Generale, Università di Torino, via Pietro Giuria 1, 10125 Torino, Italy
2 DIASP, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
A method for characterizing the predictability of complex chaotic systems based on a generalization of the Lyapunov exponent is introduced. The method is illustrated on a toy system with two time scales and on a model of fully developed turbulence where universal features are found.
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