Constructing Dominator Trees in Directed Graphs
To understand dominator trees, we first define the concept of dominance within a directed graph containing a designated entry node \(s\). For any two nodes \(u\) and \(v\), if every possible path from \(s\) to \(u\) must traverse \(v\), then \(v\) is considered a dominator of \(u\). Alternatively, t...