Two results concerning string graphs
Jan Kratochvíl (1988)
Commentationes Mathematicae Universitatis Carolinae
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Jan Kratochvíl (1988)
Commentationes Mathematicae Universitatis Carolinae
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Zlatomir Lukić (1982)
Publications de l'Institut Mathématique
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Bretto, A. (1999)
Southwest Journal of Pure and Applied Mathematics [electronic only]
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W. Wessel (1987)
Applicationes Mathematicae
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Jaroslav Ivančo (2016)
Discussiones Mathematicae Graph Theory
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A graph G is called supermagic if it admits a labelling of the edges by pairwise di erent consecutive integers such that the sum of the labels of the edges incident with a vertex is independent of the particular vertex. In this paper we will introduce some constructions of supermagic labellings of some graphs generalizing double graphs. Inter alia we show that the double graphs of regular Hamiltonian graphs and some circulant graphs are supermagic.
Zdzisław Skupień (2007)
Discussiones Mathematicae Graph Theory
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