论文标题

随机动力学问题的扩散极限和无界驾驶过程

Diffusion limit for a stochastic kinetic problem with unbounded driving process

论文作者

Rakotonirina-Ricquebourg, Shmuel

论文摘要

本文研究了涉及一个小参数的动力学进化方程的极限,并由随机过程驱动,该过程也随着小参数的比例。为了证明分布到随机扩散方程的溶液中的收敛性,同时删除了对驾驶随机过程的界定假设,我们适应了扰动测试功能的方法,以解决停止的玛格纳莱斯问题。

This paper studies the limit of a kinetic evolution equation involving a small parameter and driven by a random process which also scales with the small parameter. In order to prove the convergence in distribution to the solution of a stochastic diffusion equation while removing a boundedness assumption on the driving random process, we adapt the method of perturbed test functions to work with stopped martingales problems.

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