Dynamic Dominators in Practice

  title={Dynamic Dominators in Practice},
  author={Konstantinos Patakakis and Loukas Georgiadis and Vasileios A. Tatsis},
  journal={2011 15th Panhellenic Conference on Informatics},
We consider the problem of dynamically maintaining a dominator tree of a flow graph, through a sequence of arc updates (insertions and deletions). We propose a new algorithm for this problem, which is based on the static dominators algorithm of Lengauer and Tarjan. Although the worst case complexity of a single update matches the running time of Lengauer-Tarjan, we exhibit the efficiency of our algorithm in practice. 

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