A subordinator is a Lévy process with nondecreasing paths; running a Brownian motion on it as a clock, , gives a Lévy process whose exponent is the subordinator’s Laplace exponent evaluated at .
Quantitative Finance · المسرد
Quantitative Finance · المسرد
A subordinator is a Lévy process with nondecreasing paths; running a Brownian motion on it as a clock, , gives a Lévy process whose exponent is the subordinator’s Laplace exponent evaluated at .