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平面图为第一类图的一些充分条件(英文)

SOME SUFFICIENT CONDITIONS FOR A PLANAR GRAPH TO BE CLASS 1
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摘要 给出了平面图为第一类图的边数的一些上界,并给出了平面图为第一类图的一些充分条件. Some upper bounds of the edge number for two class planar graphs are given. Some sufficient conditions for a planar graph to be class 1 are obtained through these bounds of edge number.
出处 《高校应用数学学报(A辑)》 CSCD 北大核心 2004年第B12期577-581,共5页 Applied Mathematics A Journal of Chinese Universities(Ser.A)
基金 SupportedbyPostdoctoralScientificResearchStartFoundation(0203006211).
关键词 边色数 平面图 edge chromatic number, planar graph
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参考文献9

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