Bonanno, G.; Valenti, D.; Spagnolo, B. - In: The European Physical Journal B - Condensed Matter and … 53 (2006) 3, pp. 405-409
We study a generalization of the Heston model, which consists of two coupled stochastic differential equations, one for the stock price and the other one for the volatility. We consider a cubic nonlinearity in the first equation and a correlation between the two Wiener processes, which model the...