$\tilde{A}_r$型仿射建筑的热核和格林函数估计
Heat kernel and Green function estimates on affine buildings of type $\tilde{A}_r$
摘要:
我们得到一个全球性的估计过渡密度$p^n(0,x)$与最近邻随机游动,这里称为“简单”,仿射建筑物的类型$\widetilde{A}_r$。然后我们推导出格林函数的一个全局估计。这是类似的结果黎曼对称空间的非紧型。
英文摘要:
We obtain a global estimate of the transition density $p^n(0,x)$ associated to a nearest neighbor random walk, called here "simple", on affine buildings of type $\widetilde{A}_r$. Then we deduce a global estimate of the Green function. This is the analogue of a result on Riemannian symmetric spaces of the noncompact type.
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