论文标题

树指数随机步行的容量

Capacity of the range of tree-indexed random walk

论文作者

Bai, Tianyi, Wan, Yijun

论文摘要

通过对无限的Galton-Watson工艺引入新的措施,并提供(离散)Green在树上的功能的估计,我们建立了关键分支随机步行能力的渐近行为:在高维度中,$ d \ ge 7 $,能力增长。在关键尺寸$ d = 6 $中,它与$ \ frac {n} {\ log n} $成正比成正比。

By introducing a new measure for the infinite Galton-Watson process and providing estimates for (discrete) Green's functions on trees, we establish the asymptotic behavior of the capacity of critical branching random walks: in high dimensions $d\ge 7$, the capacity grows linearly; and in the critical dimension $d=6$, it grows asymptotically proportional to $\frac{n}{\log n}$.

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