Esri’s Cost Connectivity tool currently determines the minimum spanning tree output based upon Kruskal’s algorithm. Kruskal, J. B. (1956). "On the shortest spanning subtree of a graph and the traveling salesman problem". Proceedings of the American Mathematical Society. 7: 48–50. doi:10.1090/S0002-9939-1956-0078686-7. Kevin J Esri Development
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