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Anna Lladó - Largest cliques in connected supermagic graphs

dmtcs:3414 - Discrete Mathematics & Theoretical Computer Science, January 1, 2005, DMTCS Proceedings vol. AE, European Conference on Combinatorics, Graph Theory and Applications (EuroComb '05) - https://doi.org/10.46298/dmtcs.3414
Largest cliques in connected supermagic graphsConference paper

Authors: Anna Lladó 1,2

A graph G=(V,E) is said to be magic if there exists an integer labeling f:VE[1,|VE|] such that f(x)+f(y)+f(xy) is constant for all edges xyE. Enomoto, Masuda and Nakamigawa proved that there are magic graphs of order at most 3n2+o(n2) which contain a complete graph of order n. Bounds on Sidon sets show that the order of such a graph is at least n2+o(n2). We close the gap between those two bounds by showing that, for any given graph H of order n, there are connected magic graphs of order n2+o(n2) containing H as an induced subgraph. Moreover it can be required that the graph admits a supermagic labelling f, which satisfies the additional condition f(V)=[1,|V|].


Volume: DMTCS Proceedings vol. AE, European Conference on Combinatorics, Graph Theory and Applications (EuroComb '05)
Section: Proceedings
Published on: January 1, 2005
Imported on: May 10, 2017
Keywords: Labelings of graphs,magic graphs,Sidon sets,[INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM],[MATH.MATH-CO]Mathematics [math]/Combinatorics [math.CO]

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