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灯笼图的可定向嵌入亏格分布 被引量:1

Orientable Embedding Distributions by Genus of Lantern-Graphs
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摘要 本文主要利用联树法研究了图的亏格多项式,得到了一类新图(灯笼图)的嵌入亏格分布.证明了灯笼图和偶梯图的亏格分布具有相同的递推关系,从而得到了灯笼图的嵌入亏格分布的精确解. In this paper,joint tree method is used to study the embedding polynomials of graphs,then the embedding genus distributions for a new type of graphs,lantern-graphs, are obtained.We prove that the genus polynomials of lantern-graphs and even-ladders satisfy the same recursions,so we obtain the exact solutions of the embedding genus distributions for lantern-graphs.
出处 《数学进展》 CSCD 北大核心 2010年第2期144-150,共7页 Advances in Mathematics(China)
基金 国家自然科学基金(No.10871021)
关键词 嵌入分布 联树 曲面 亏格 embedding distribution joint tree surface genus
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