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On moments of integral exponential functionals of additive processes

Abstract : For real-valued additive process $(X_t)_{t\geq 0}$ a recursive equation is derived for the entire positive moments of functionals $$I_{s,t}= \int _s^t\exp(-X_u)du, $$ in case the Laplace exponent of $X_t$ exists for positive values of the parameter. From the equation emerges an easy-to-apply sufficient condition for the finiteness of the moments. As an application we study first hit processes of diffusions.
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https://hal.archives-ouvertes.fr/hal-01730629
Contributor : Lioudmila Vostrikova <>
Submitted on : Monday, October 15, 2018 - 4:06:05 PM
Last modification on : Monday, March 9, 2020 - 6:16:00 PM
Document(s) archivé(s) le : Wednesday, January 16, 2019 - 12:46:40 PM

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  • HAL Id : hal-01730629, version 3
  • ARXIV : 1803.04859

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Paavo Salminen, Lioudmila Vostrikova. On moments of integral exponential functionals of additive processes. 2018. ⟨hal-01730629v3⟩

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