Acta mathematica scientia,Series B ›› 2023, Vol. 43 ›› Issue (3): 1403-1414.doi: 10.1007/s10473-023-0323-0

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HARNACK TYPE INEQUALITIES FOR SDES DRIVEN BY FRACTIONAL BROWNIAN MOTION WITH MARKOVIAN SWITCHING*

Wenyi Pei1,†, Litan Yan2, Zhenlong Chen3   

  1. 1. School of Statistics and Mathematics, Zhejiang Gongshang University, Zhejiang 310018, China; Collaborative Innovation Center of Statistical Data Engineering, Technology & Application,Zhejiang Gongshang University, Hangzhou 310018, China;;
    2. Department of Statistics, Donghua University, Shanghai 201620, China;
    3. School of Statistics and Mathematics, Zhejiang Gongshang University,Hangzhou 310018, China
  • Received:2021-12-16 Revised:2022-07-05 Online:2023-06-25 Published:2023-06-06
  • Contact: Wenyi Pei, E-mail: peiwenyi@163.com
  • About author:Litan Yan, E-mail: litanyan@dhu.edu.cn;Zhenlong Chen, E-mail: zlchenv@163.com
  • Supported by:
    The research of L. Yan was partially supported by the National Natural Science Foundation of China (11971101). The research of Z. Chen was supported by National Natural Science Foundation of China (11971432) and the Natural Science Foundation of Zhejiang Province (LY21G010003). This paper was supported by the Collaborative Innovation Center of Statistical Data Engineering Technology & Application, the Characteristic & Preponderant Discipline of Key Construction Universities in Zhejiang Province (Zhejiang Gongshang University- Statistics) and the First Class Discipline of Zhejiang-A (Zhejiang Gongshang University-Statistics).

Abstract: In this paper, by constructing a coupling equation, we establish the Harnack type inequalities for stochastic differential equations driven by fractional Brownian motion with Markovian switching. The Hurst parameter $H$ is supposed to be in $(1/2,1)$. As a direct application, the strong Feller property is presented.

Key words: stochastic differential equations, Harnack type inequalities, fractional Brownian motion, Markovian switching

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