Suppose Joseph Kruskal had an evil twin, named Peter, who designed an algorithm that takes the exact

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Suppose Joseph Kruskal had an evil twin, named Peter, who designed an algorithm that takes the exact opposite approach from his brother’s algorithm for finding an MST in an undirected, weighted, connected graph, G. Also, for the sake of simplicity, suppose the edges of G have distinct weights. Peter’s algorithm is as follows: consider the edges of G by decreasing weights. For each edge, e, in this order, if the removal of e from G would not disconnect G, then remove e from G. Peter claims that the graph that remains at the end of his algorithm is a minimum spanning tree. Prove or disprove Peter’s claim.

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Algorithm Design And Applications

ISBN: 9781118335918

1st Edition

Authors: Michael T. Goodrich, Roberto Tamassia

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