Abstract
An extension of Ito's formula to convex functions is obtained, and a version of its converse is investigated. By using the generalized Ito's formula obtained here and that obtained by G. Brosamler for higher dimensional Brownian motion, a transparent proof of the correspondence between measures and nonnegative continuous (homogeneous) additive functionals is given.
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More From: Zeitschrift f�r Wahrscheinlichkeitstheorie und Verwandte Gebiete
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