界面涨落模型的大尺度极限
Large-scale limit of interface fluctuation models
摘要:
我们将[Hairer-Quastel]中KPZ的弱普适性推广到具有多项式以外的一般增长机制的弱非对称界面模型。一个关键的新成分是高斯的三角函数的多项式对应的相关性的逐点界。这使我们能够减少问题的一般非线性具有足够的规律性的多项式。
英文摘要:
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.
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