Large scale limit of interface fluctuation models

Large scale limit of interface fluctuation models
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DOI:
10.1214/18-aop1317
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发表时间:
2018-02
期刊:
The Annals of Probability
影响因子:
--
通讯作者:
Martin Hairer;Weijun Xu
Martin Hairer;Weijun Xu
中科院分区:
其他
文献类型:
--
作者:
Martin Hairer;Weijun Xu

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我们将[Hairer-Quastel]中KPZ的弱普适性推广到具有一般生长机制的弱非对称界面模型。一个关键的新元素是关于高斯三角函数相对于其多项式对应函数的相关性的逐点界限。这使我们能够将具有充分正则性的一般非线性问题归结为多项式的问题。
We extend the weak universality of KPZ in [Hairer-Quastel] to weakly asymmetric interface models with general growth mechanisms beyond polynomials. A key new ingredient is a pointwise bound on correlations of trigonometric functions of Gaussians in terms of their polynomial counterparts. This enables us to reduce the problem of a general nonlinearity with sufficient regularity to that of a polynomial.