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  4. Fractional Brownian motion in financial engineering models

Fractional Brownian motion in financial engineering models

MMC.
2023;
Volume 10, Number 2
: pp. 445–457
https://doi.org/10.23939/mmc2023.02.445
Received: January 10, 2023
Revised: May 12, 2023
Accepted: May 18, 2023

Mathematical Modeling and Computing, Vol. 10, No. 2, pp. 445–457 (2023)

Authors:
  1. V. S. Yanishevskyi
  2. L. S. Nodzhak
1
Lviv Polytechnic National University
2
Lviv Polytechnic National University

An application of fractional Brownian motion (fBm) is considered in stochastic financial engineering models.  For the known Fokker–Planck equation for the fBm case, a solution for transition probability density for the path integral method was built.  It is shown that the mentioned solution does not result from the Gaussian unit of fBm with precise covariance.  An expression for approximation of fBm covariance was found for which solutions are found based on the Gaussian measure of fBm and those found based on the known Fokker–Planck equation match.

fractional Brownian motion
stochastic equation
Fokker–Planck equation
transition probability density
path integrals
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