On-line graph algorithms with SPQR-trees
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TL;DR
The SPQR-tree is presented, a versatile data structure that represents the decomposition of a biconnected graph with respect to its triconsnected components, and its application to a variety of on-line graph algorithms dealing with triconnectivity, transitive closure, minimum spanning tree, and planarity testing is shown.
Abstract
We present the SPQR-tree, a versatile data structure that represents the decomposition of a biconnected graph with respect to its triconnected components, and show its application to a variety of on-line graph algorithms dealing with triconnectivity, transitive closure, minimum spanning tree, and planarity testing. The results are further extended to general graphs by means of another data structure, the BC-tree.
