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math.PR2024
Orthogonal gamma-based expansion for the CIR's first passage time distribution
Elvira Di Nardo, Giuseppe D'Onofrio, Tommaso Martini
In this paper we analyze a method for approximating the first-passage time density and the corresponding distribution function for a CIR process. This approximation is obtained by…
math.PR2022★ 1 cited
Approximating the first passage time density from data using generalized Laguerre polynomials
Elvira Di Nardo, Giuseppe D'Onofrio, Tommaso Martini
This paper analyzes a method to approximate the first passage time probability density function which turns to be particularly useful if only sample data are available. The method…