Szimayer, Alex; Maller, Ross A. - In: Stochastic Processes and their Applications 117 (2007) 10, pp. 1422-1447
This paper proposes two related approximation schemes, based on a discrete grid on a finite time interval [0,T], and having a finite number of states, for a pure jump Lévy process Lt. The sequences of discrete processes converge to the original process, as the time interval becomes finer and...