Time Series

Collective dynamics of stock market efficiency
Summarized by the efficient market hypothesis, the idea that stock prices fully reflect all available information is always confronted …
Luiz G. A. Alves, Higor Y. D. Sigaki, Matjaž Perc, Haroldo V. Ribeiro
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Collective dynamics of stock market efficiency
Analogies between the cracking noise of ethanol-dampened charcoal and earthquakes
We report on an extensive characterization of the cracking noise produced by charcoal samples when dampened with ethanol. We argue that …
Haroldo V. Ribeiro, Leandro S. Costa, Luiz G. A. Alves, Perseu A. Santoro, Sérgio Picoli, Ervin K. Lenzi, Rrenio S. Mendes
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Analogies between the cracking noise of ethanol-dampened charcoal and earthquakes
Scaling laws in the dynamics of crime growth rate
The increasing number of crimes in areas with large concentrations of people have made cities one of the main sources of violence. …
Luiz G. A. Alves, Haroldo V. Ribeiro, Renio S. Mendes
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Scaling laws in the dynamics of crime growth rate