1 problem

Let $X$ be a $p_n$-ERW in direction $ellinmathbb{S}^{d-1}$ on $\mathbb{Z}^d$, where $dgeq 2$ and $p_n=\mathcal{C}n^{-beta}wedge 1$ with $betageq 1/2$. Let $\mathcal{R}_n^X$ be the…