The distance between two vertices u and v in a connected graph G is the number of edges lying in a shortest path(geodesic)between them.A vertex x of G performs the metric identification for a pair(u,v)of vertices in G...
Pitaya de mayo (Stenocereus pruinosus) exportation is considered feasible especially to the United States of America (USA) using the adequate preservation and transportation techniques. One of the exportation r...