OPTIMAL ALGORITHM FOR THE NEAREST COMMON DOMINATOR PROBLEM

被引：2
|
作者：
CHU, J [1 ]
机构：
[1] NEW MEXICO STATE UNIV,DEPT COMP SCI,LAS CRUCES,NM 88003
来源：
JOURNAL OF ALGORITHMS | 1992年 / 13卷 / 04期
关键词：
D O I：
10.1016/0196-6774(92)90063-I
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In a directed acyclic graph G = (V, E) with a single source s, the nearest common dominator for a set of nodes U ⊂ V is the node d closest to U such that every path from s to any node in U goes through d. The distance between any node w and U is defined as the number of arcs in a shortest path from w to any node in U. We develop an optimal algorithm for finding the nearest common dominator d for U, which runs in time proportional to the number of arcs in between d and U. © 1992.
引用
收藏
页码：693 / 697
页数：5
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