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Mathematics > Probability

Title: Markovian projections for Itô semimartingales with jumps

Abstract: Given a general It\^o semimartingale, its Markovian projection is an It\^o process, with Markovian differential characteristics, that matches the one-dimensional marginal laws of the original process. We construct Markovian projections for It\^o semimartingales with jumps, whose flows of one-dimensional marginal laws are solutions to non-local Fokker--Planck--Kolmogorov equations (FPKEs). As an application, we show how Markovian projections appear in building calibrated diffusion/jump models with both local and stochastic features.
Subjects: Probability (math.PR); Mathematical Finance (q-fin.MF)
Cite as: arXiv:2403.15980 [math.PR]
  (or arXiv:2403.15980v1 [math.PR] for this version)

Submission history

From: Shukun Long [view email]
[v1] Sun, 24 Mar 2024 02:10:55 GMT (16kb)

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