Ornstein-Uhlenbeck Processes of Bounded Variation

Autor: Nikita Ratanov
Rok vydání: 2020
Předmět:
Zdroj: Methodology and Computing in Applied Probability. 23:925-946
ISSN: 1573-7713
1387-5841
Popis: Ornstein-Uhlenbeck process of bounded variation is introduced as a solution of an analogue of the Langevin equation with an integrated telegraph process replacing a Brownian motion. There is an interval $I$ such that the process starting from the internal point of $I$ always remains within $I$. Starting outside, this process a. s. reaches this interval in a finite time. The distribution of the time for which the process falls into this interval is obtained explicitly. The certain formulae for the mean and the variance of this process are obtained on the basis of the joint distribution of the telegraph process and its integrated copy. Under Kac's rescaling, the limit process is identified as the classical Ornstein-Uhlenbeck process.
23 pages
Databáze: OpenAIRE