On Collision Local Time of Two IndependentSubfractional Brownian Motions

On Collision Local Time of Two IndependentSubfractional Brownian Motions
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DOI:
10.3970/cmes.2015.109.519
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发表时间:
2015-12
影响因子:
2.4
通讯作者:
Jingjun Guo;Yanping Xiao
Jingjun Guo;Yanping Xiao
中科院分区:
工程技术4区
文献类型:
--
作者:
Jingjun Guo;Yanping Xiao

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:我们使用替代表达式研究 (−12, 12) 中两个具有不同系数的独立亚分数布朗运动的碰撞局部时间的存在性。基于白噪声分析的规范框架,证明碰撞局部时间是Hida分布,并得到混沌展开。最后,我们证明在适当的条件下,碰撞本地时间存在于 ( L 2 ) 中。
: We study the existence of collision local time of two independent subfractional Brownian motions with different coefficients in ( − 12 , 12 ) using an alternative expression. We prove that the collision local time is a Hida distribution based on the canonical framework of white noise analysis, and get chaos expansions. Finally, we show that the collision local time exists in ( L 2 ) under appropriate conditions.