Reconstructing a Graph from its Arc Incidence Graph
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Introduced implicitly by Brualdi and Massey (Discret Math 122(1–3):51–58, 1993) in their work on the strong chromatic index of multigraphs, the arc incidence graph AI(G) of a graph G is defined as the square of the line graph of the incidence graph of G. We describe a linear-time algorithm for recognizing arc incidence graphs and reconstructing a graph with no isolated vertices from its arc incidence graph.
KeywordsArc incidence graph Incidence graph Incidence coloring conjecture Reconstruction Algorithm
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