On the Transition Density of the Time-Inhomogeneous 3/2 Model: A Unified Approach for Models Related to Squared Bessel Process

On the Transition Density of the Time-Inhomogeneous 3/2 Model: A Unified Approach for Models Related to Squared Bessel Process

We derive an infinite-series representation for the transition probability density function (PDF) of the time-inhomogeneous 3/2 model, expressing all coefficients in terms of Bell-polynomial and generalized Laguerre-polynomial formulas. From this series, we obtain explicit expressions for all condit...

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Bibliographic Details
Main Authors: Rattiya Meesa, Ratinan Boonklurb, Phiraphat Sutthimat
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Mathematics
Subjects:
characteristic function
3/2 model
noncentral Chi-square
squared Bessel process
transition density function
Online Access:https://www.mdpi.com/2227-7390/13/12/1948
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