Abstract
Based on the geometric representation, an efficient algorithm is designed to find all articulation points of a permutation graph. The proposed algorithm takes onlyO(n logn) time andO(n) space, wheren represents the number of vertices. The proposed sequential algorithm can easily be implemented in parallel which takesO(logn) time andO(n) processors on an EREW PRAM. These are the first known algorithms for the problem on this class of graph.
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