PELABELAN GRACEFUL SISI BERARAH PADA GRAF GABUNGAN GRAF SIKEL DAN GRAF STAR

Received: 11 Oct 2016; Published: 11 Oct 2016.
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Language: EN
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Abstract
Let G is simple and finite graph. Graph G is called a directed edge-gracefull graph  if there exists an orientation of G and bijective map  f : A(G) → {1,2, ..., q} such as a map g on V defined by g(v) = [f +(v) – f(v)] (mod p) is bijective map, which is  f +(v) is the sum of the labels of arcs with v as a head and  f(v) is the sum of the labels of all arc with v as a tail.  Graph with directed edge-gracefull labeling is called directed edge-gracefull graph. In this paper we will discussed about directed edge-gracefull labeling of cycle and star related graph

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