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arXiv 0912.2889math.PR
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高斯驱动的随机微分方程平稳解的逼近

Approximation of stationary solutions of Gaussian driven Stochastic Differential Equations

Serge Cohen, Fabien Panloup

摘要:

我们研究了与非马尔可夫随机微分方程相关的欧拉格式的经验测度序列:由平稳增量高斯过程驱动的随机微分方程。我们得到的功能收敛到一个平稳的解决方案,该序列的。最后,我们给出了该平稳解的一些具体性质。我们发现,与马尔可夫随机微分方程相比,它的初始随机值和驱动高斯过程总是相关的。然而,在一个整表示的假设下,我们也得到了解决方案的过去是独立于未来的高斯驱动过程的基础创新过程。

英文摘要:

We study sequences of empirical measures of Euler schemes associated to some non-Markovian SDEs: SDEs driven by Gaussian processes with stationary increments. We obtain the functional convergence of this sequence to a stationary solution to the SDE. Then, we end the paper by some specific properties of this stationary solution. We show that, in contrast to Markovian SDEs, its initial random value and the driving Gaussian process are always dependent. However, under an integral representation assumption, we also obtain that the past of the solution is independent to the future of the underlying innovation process of the Gaussian driving process.

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