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正则图的团横贯数的界 被引量:1

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摘要 设D是图G的一个顶点子集,若D含有G的每个团中至少一个顶点,则D称为G的团横贯集.图G的团横贯数是指它的最小团横贯集中顶点的数目,记作T_c(G).本文研究正则图的团横贯数.首先建立了正则图的团横贯数的上、下界,且刻画了达到下界的极值图.其次,对无爪三次图,得到了改进的可达上、下界并刻画了达到下界的极值图.
出处 《中国科学(A辑)》 CSCD 北大核心 2007年第11期1257-1268,共12页 Science in China(Series A)
基金 国家自然科学基金(批准号:10571117 60773078) 香港理工大学博士后基金(批准号:G-YX69) 上海市曙光计划(批准号:06SG42)资助项目
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参考文献22

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同被引文献8

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