Minimum Spanning Trees
Minimum Spanning Trees. Gallagher-Humblet-Spira (GHS) Algorithm. Weighted Graph G=(V,E), |V|=n, |E|=m. Spanning tree. Any tree T=(V,E’) (connected acyclic graph) spanning all the nodes of G. (MST). Minimum-weight spanning tree. A spanning tree s.t. the sum of its weights is minimized:.
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