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Weak Dirichlet Processes

  • Faculté des Sciences et Technologies
  • Nancy Université

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

An important generalization of the notion of Dirichlet process is the one of weak Dirichlet process that is characterized as the sum of a local martingale and an orthogonal process in the sense that its covariation with any continuous local martingale vanishes. It is possible to show that a semimartingale, transformed via a space-time continuous function that is also continuously differentiable in space, becomes a weak Dirichlet process: this fact constitutes a sort of extended Itô chain rule. Volterra processes are typical examples of weak Dirichlet processes.

Original languageEnglish
Title of host publicationBocconi and Springer Series
PublisherSpringer-Verlag Italia s.r.l.
Pages531-555
Number of pages25
DOIs
Publication statusPublished - 1 Jan 2022

Publication series

NameBocconi and Springer Series
Volume11
ISSN (Print)2039-1471
ISSN (Electronic)2039-148X

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