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L 2-convergence rate for the discretization error of functions of Lévy process
Stochastics ( IF 0.9 ) Pub Date : 2019-07-17 , DOI: 10.1080/17442508.2019.1642338
Takafumi Amaba 1 , Nien-Lin Liu 2 , Azmi Makhlouf 3 , Takwa Saidaoui 3
Affiliation  

In this article, we investigate the L 2 -convergence rate for the discretization error of the Clark-Ocone representation of a random variable ϕ ( L T ) , where ( L t ) 0 t T is a pure-jump Lévy process. As in the Brownian case, we find that the exact rate is subject to the Sobolev-differentiability index (in the sense of classical Malliavin calculus) of the space to which ϕ ( L T ) belongs.



中文翻译:

Lévy过程函数离散误差的L 2收敛速度

在本文中,我们调查了 大号 2 变量的Clark-Ocone表示的离散化误差的最小收敛速度 ϕ 大号 Ť ,在哪里 大号 Ť 0 Ť Ť 是一个纯跳跃的Lévy过程。与布朗案例一样,我们发现确切的速率取决于空间的Sobolev可微性指数(就经典Malliavin微积分而言) ϕ 大号 Ť 属于。

更新日期:2019-07-17
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