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Edge-magic total labelings of wheels, fans and friendship graphs. (English) Zbl 1008.05137

Authors’ abstract: The term edge-magic total labeling is introduced. The same labeling was called magic and edge-magic by different authors in the past. All fans are proved to be edge-magic total graphs. Results about wheels and friendship graphs are also presented. A characterization of super edge-magic friendship graphs is established (an edge-magic labeling is super edge-magic if the vertices get the smallest possible labels).

MSC:

05C78 Graph labelling (graceful graphs, bandwidth, etc.)
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