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关于几类特殊的边幻图
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作者 牛鹏羽 《甘肃高师学报》 2006年第5期6-7,共2页
证明了三角蛇图、梳子图都是边幻图。给出了简单连通图是边幻图的一个充分条件。对满足一定条件的边幻图从规模和种类两个方面进行了扩张。
关键词 边幻图 三角蛇图 梳子图 蜻蜓图
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Further Results on Pair Sum Graphs
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作者 Raja Ponraj Jeyaraj Vijaya Xavier Parthipan Rukhmoni Kala 《Applied Mathematics》 2012年第3期267-275,共9页
Let G be a graph. An injective map is called a pair sum labeling if the induced edge function, defined by is one-one and is either of the form or according as q is even or odd. A graph with a pair sum labeling is call... Let G be a graph. An injective map is called a pair sum labeling if the induced edge function, defined by is one-one and is either of the form or according as q is even or odd. A graph with a pair sum labeling is called a pair sum graph. In this paper we investigate the pair sum labeling behavior of subdivision of some standard graphs. 展开更多
关键词 Path Cycle LADDER triangular snake QUADRILATERAL snake
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