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Caterpillars are antimagic
(2021-01-21)
Article
Restricted access - publisher's policyAn antimagic labeling of a graph G is a bijection from the set of edges E(G) to {1,2,…,|E(G)|}, such that all vertex sums are pairwise distinct, where the vertex sum at vertex u is the sum of the labels assigned to the ... -
Reappraising the distribution of the number of edge crossings of graphs on a sphere
(Institute of Physics (IOP), 2020-08-01)
Article
Restricted access - publisher's policyMany real transportation and mobility networks have their vertices placed on the surface of the Earth. In such embeddings, the edges laid on that surface may cross. In his pioneering research, Moon analyzed the distribution ... -
Neighbor-locating colorings in graphs
(2020-02-02)
Article
Open AccessA k-coloring of a graph G is a k-partition of into independent sets, called colors. A k-coloring is called neighbor-locating if for every pair of vertices belonging to the same color , the set of colors of the neighborhood ...