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All Journal MATEMATIKA Jurnal Ilmiah Riset dan Pengembangan
Putri Octafiani, Putri
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Education Mathematics Social Sciences Other

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Journal : MATEMATIKA

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PELABELAN GRACEFUL SISI BERARAH PADA GRAF GABUNGAN GRAF SIKEL DAN GRAF STAR Octafiani, Putri; Utomo, Robertus Heri Soelistyo
MATEMATIKA Vol 16, No 1 (2013): Jurnal Matematika
Publisher : MATEMATIKA

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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
Co-Authors Devy Pramudiana, Ika Robertus Heri Sulistyo Utomo Roekminiati, Sri