Strong convergence of the Euler scheme for singular kinetic SDEs driven by $\alpha$-stable processes

Autor: Ling, Chengcheng
Rok vydání: 2024
Předmět:
Druh dokumentu: Working Paper
Popis: We study the strong approximation of the solutions to singular stochastic kinetic equations (also referred to as second-order SDEs) driven by $\alpha$-stable processes, using an Euler-type scheme inspired by [11]. For these equations, the stability index $\alpha$ lies in the range $(1,2)$, and the drift term exhibits anisotropic $\beta$-H\"older continuity with $\beta >1 - \frac{\alpha}{2}$. We establish a convergence rate of $(\frac{1}{2} + \frac{\beta}{\alpha(1+\alpha)} \wedge \frac{1}{2})$, which aligns with the results in [4] concerning first-order SDEs.
Comment: 28 pages
Databáze: arXiv