关于随机点集干涉的一个注记
A Note on Interference in Random Point Sets
摘要:
研究了几何图形(von Rickenbach等人(2005))的(最大接收器中心)干扰。对于单位d-立方体中独立均匀分布的n个点的集合V,当维数d为常数时,下列结果以很高的概率成立:(1)存在一个顶点集为V的连通图,它的干涉量为O((log n)^{1/3}),(2)顶点集为V的连通图不存在干涉量为O((log n)^{1/4});以及(3)$V$的最小生成树具有干扰Theta((\log n)^{1/2})。
英文摘要:
The (maximum receiver-centric) interference of a geometric graph (von Rickenbach etal (2005)) is studied. It is shown that, with high probability, the following results hold for a set, V, of n points independently and uniformly distributed in the unit d-cube, for constant dimension d: (1) there exists a connected graph with vertex set V that has interference O((log n)^{1/3}); (2) no connected graph with vertex set V has interference o((log n)^{1/4}); and (3) the minimum spanning tree of $V$ has interference Theta((\log n)^{1/2}).
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