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Pré-Publication, Document De Travail Année : 2013

Increasing processes and the change of variables formula for non-decreasing functions

Résumé

Given an increasing process $(A_t)_{t\geq 0}$, we characterize the right-continuous non-decreasing functions $f: \R_+\to \R_+$ that map $A$ to a pure-jump process. As an example of application, we show for instance that functions with bounded variations belong to the domain of the extended generator of any subordinators with no drift and infinite Lévy measure.
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Dates et versions

hal-00804781 , version 1 (26-03-2013)

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Jean Bertoin, Marc Yor. Increasing processes and the change of variables formula for non-decreasing functions. 2013. ⟨hal-00804781⟩
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