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Hölder Continuity and Occupation-Time Formulas for fBm Self-Intersection Local Time and Its Derivative

Author

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  • Paul Jung

    (University of Alabama)

  • Greg Markowsky

    (Monash University)

Abstract

We prove joint Hölder continuity and an occupation-time formula for the self-intersection local time of fractional Brownian motion. Motivated by an occupation-time formula, we also introduce a new version of the derivative of self-intersection local time for fractional Brownian motion and prove Hölder conditions for this process. This process is related to a different version of the derivative of self-intersection local time studied by the authors in a previous work.

Suggested Citation

  • Paul Jung & Greg Markowsky, 2015. "Hölder Continuity and Occupation-Time Formulas for fBm Self-Intersection Local Time and Its Derivative," Journal of Theoretical Probability, Springer, vol. 28(1), pages 299-312, March.
    • Handle: RePEc:spr:jotpro:v:28:y:2015:i:1:d:10.1007_s10959-012-0474-8
    DOI: 10.1007/s10959-012-0474-8
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    References listed on IDEAS

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    1. Markowsky, Greg, 2008. "Renormalization and convergence in law for the derivative of intersection local time in," Stochastic Processes and their Applications, Elsevier, vol. 118(9), pages 1552-1585, September.
    2. Yan, Litan & Yang, Xiangfeng & Lu, Yunsheng, 2008. "p-variation of an integral functional driven by fractional Brownian motion," Statistics & Probability Letters, Elsevier, vol. 78(9), pages 1148-1157, July.
    3. Rosen, Jay, 1987. "The intersection local time of fractional Brownian motion in the plane," Journal of Multivariate Analysis, Elsevier, vol. 23(1), pages 37-46, October.
    4. Dongsheng Wu & Yimin Xiao, 2010. "Regularity of Intersection Local Times of Fractional Brownian Motions," Journal of Theoretical Probability, Springer, vol. 23(4), pages 972-1001, December.
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    Cited by:

    1. Qian Yu, 2021. "Higher-Order Derivative of Self-Intersection Local Time for Fractional Brownian Motion," Journal of Theoretical Probability, Springer, vol. 34(4), pages 1749-1774, December.

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