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首页> 外文期刊>Probability Theory and Related Fields >THE BURGERS EQUATION WITH A RANDOM FORCE AND A GENERAL MODEL FOR DIRECTED POLYMERS IN RANDOM ENVIRONMENTS
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THE BURGERS EQUATION WITH A RANDOM FORCE AND A GENERAL MODEL FOR DIRECTED POLYMERS IN RANDOM ENVIRONMENTS

机译:随机环境中具有定向力的一般模型的伯格方程

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摘要

The study of the Burgers equation with a random force leads via a Hopf-Cole type transformation to a stochastic heat equation having a white noise with spatial parameters type potential. The latter can be studied by means of a general model of directed polymers in random environments with two point random potentials. These models exhibit a Gaussian behavior at large times and have certain stationary distributions which yield the corresponding results for the above stochastic heat and Burgers equations. [References: 22]
机译:对具有随机作用力的Burgers方程的研究通过Hopf-Cole类型转换导致具有空间参数类型势的白噪声的随机热方程。后者可通过在两点随机电势的随机环境中使用定向聚合物的一般模型进行研究。这些模型在长时间内表现出高斯行为,并具有一定的平稳分布,从而为上述随机热和Burgers方程产生相应的结果。 [参考:22]

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