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arXiv 1012.2581math.PRmath.OC
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黏性解的大偏差原理:具有斜Lipschitz反射的扩散情形

Large Deviations Principle by viscosity solutions: the case of diffusions with oblique Lipschitz reflections

Magdalena Kobylanski

摘要:

建立了正则区域上具有Lipschitz连续斜反射的随机过程的大偏差原理。给出了速率泛函作为一个控制问题的值函数,并证明了它的有效性。证明是基于原始的黏性解方法。其思想在于将概率解释为一些偏微分方程的解,进行对数变换,传递到极限,然后将作用泛函确定为极限方程的解。

英文摘要:

We establish a Large Deviations Principle for stochastic processes with Lipschitz continuous oblique reflections on regular domains. The rate functional is given as the value function of a control problem and is proved to be good. The proof is based on an original viscosity solution approach. The idea consists in interpreting the probabilities as the solutions of some PDEs, make the logarithmic transform, pass to the limit, and then identify the action functional as the solution of the limiting equation.

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