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Approximations of Lévy processes by integrated fast oscillating Ornstein–Uhlenbeck processes.
- Source :
-
Stochastics & Dynamics . Dec2023, Vol. 23 Issue 8, p1-12. 12p. - Publication Year :
- 2023
-
Abstract
- In this paper, we study a smooth approximation of an arbitrary càdlàg Lévy process. Such approximation processes are known as integrated fast oscillating Ornstein–Uhlenbeck (OU) processes. We know that approximating processes are continuous, while the limit of processes may be discontinuous, so convergence in uniform topology or Skorokhod J 1 -topology will not hold in general. Therefore, we establish an approximation in Skorokhod M 1 -topology. Note that the convergence is almost surely, which is an extension result of Hintze and Pavlyukevich. [ABSTRACT FROM AUTHOR]
- Subjects :
- *LEVY processes
*ORNSTEIN-Uhlenbeck process
*CONTINUOUS processing
*TOPOLOGY
Subjects
Details
- Language :
- English
- ISSN :
- 02194937
- Volume :
- 23
- Issue :
- 8
- Database :
- Academic Search Index
- Journal :
- Stochastics & Dynamics
- Publication Type :
- Academic Journal
- Accession number :
- 175704417
- Full Text :
- https://doi.org/10.1142/S0219493723400051