A family of generalized gamma convoluted variables
Résumé
This paper consists of three parts: in the first part, we describe a family of generalized gamma convoluted (abbreviated as GGC) variables. In the second part, we use this description toprove that several r.v.'s, related to the length of excursions away from 0 for a recurrent linear diffusion on $\Bbb R_+$, are GGC. Finally, in the third part, we apply our results to the case of Bessel processes with dimension $d = 2(1 - \alpha)(0 < d < 2, or 0 < \alpha < 1).
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