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arXiv 2008.01506math.AP
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加权热核估计:Kolmogorov距离下的收敛速率

Weighted heat kernel estimates: rate of convergence in Kolmogorov distance

Anderson Melchor Hernandez

摘要:

本文研究格$\mathbb{Z}^d$中随机环境上的随机游动.通过对数Sobolev不等式形式的遍历性对该模型进行了分析。我们假设环境是独立同分布的随机变量。在这里,我们给出了非对角随机矩阵的热核估计,导致在维度$d\geq 3$的Berry-Esseen上界的收敛速率$t^{-\frac{1}{10}}$。

英文摘要:

This paper is concerned about random walks on random environments in the lattice $\mathbb{Z}^d$. This model is analyzed through ergodicity in the form of the logarithmic Sobolev inequality. We assume that the environments are random variables being independent and identically distributed. Here, we give heat kernel estimates for non-diagonal random matrices leading in dimension $d\geq 3$ a Berry-Esseen upper bound with a rate of convergence $t^{-\frac{1}{10}}$.

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