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4 papers · 2 filters
Power-Law Time Distribution of Large Earthquakes
Mirko S. Mega, Paolo Allegrini, Paolo Grigolini +4
We study the statistical properties of time distribution of seimicity in California by means of a new method of analysis, the Diffusion Entropy. We find that the distribution of ti…
Lévy scaling: the Diffusion Entropy Analysis applied to DNA sequences
Nicola Scafetta, Vito Latora, Paolo Grigolini
We address the problem of the statistical analysis of a time series generated by complex dynamics with a new method: the Diffusion Entropy Analysis (DEA) (Fractals, {\bf 9}, 193 (2…
Decoherence, wave function collapses and non-ordinary statistical mechanics
Mauro Bologna, Paolo Grigolini, Marco G. Pala +1
We consider a toy model of pointer interacting with a 1/2-spin system, whose variable is \emph{measured} by the environment, according to the prescription of decoherence th…
Scaling detection in time series: diffusion entropy analysis
Nicola Scafetta, Paolo Grigolini
The methods currently used to determine the scaling exponent of a complex dynamic process described by a time series are based on the numerical evaluation of variance. This means t…