] Using the same statistical physics methods they used to ] study complex systems like earthquakes and financial ] markets, Sornette and his colleagues set out to explain ] the book-ranking behavior. They used the Epidemics-Type ] Aftershock Sequence model, which draws on statistical ] techniques for studying how diseases spread through ] populations in order to model earthquake aftershocks. This model should be applicable to the spread of memes through a population. Physics model predicts book sales TRN 121504 |