2 papers
cond-mat.stat-mech1999
Clustering of volatility as a multiscale phenomenon
Michele Pasquini, Maurizio Serva
The dynamics of prices in financial markets has been studied intensively both experimentally (data analysis) and theoretically (models). Nevertheless, a complete stochastic charact…
quant-ph1998
Localization induced by noise and non linearity
Ph. Blanchard, M. Pasquini, M. Serva
We introduce a model for a two configurations system, and we study the transition from quantum to classical behaviour. We first consider the effect of the interaction with the envi…