Relation To Treewidth
Branch-decompositions of graphs are closely related to tree decompositions, and branch-width is closely related to tree-width: the two quantities are always within a constant factor of each other. In particular, in the paper in which they introduced branch-width, Neil Robertson and Paul Seymour showed that for a graph G with tree-width k and branchwidth b > 1,
Read more about this topic: Branch-decomposition
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