Directed edge - graceful labeling of cycle and star related graphs
Journal: International Journal of Mathematics and Soft Computing (Vol.1, No. 1)Publication Date: 2011-08-18
Authors : B. Gayathri V. Vanitha;
Page : 89-104
Keywords : Graceful graphs; Directed graphs; Edge-graceful labeling;
Abstract
Rosa [12] introduced the notion of graceful labelings. In 1985, Lo [11] introduced the notion of edge ? graceful graphs. We extended the concept of edge ? graceful labelings to directed graphs in [8]. In this paper we investigate directed edge ? graceful labeling of cycle and star related graphs.
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