运筹学学报 ›› 2011, Vol. 15 ›› Issue (3): 95-106.
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袁梓瀚 黄元秋
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YUAN Zi-Han- Huang-Yuan-Qiu
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摘要: 泊松图$P(m, 1)$与路$P_n$的笛卡尔积的交叉数是一个NP-完全问题, Y.H. Peng和Y.C.Yiew 证明了$P(3,1)$与$P_n$的笛卡尔积的交叉数为$4n$, 我们证明明了$P(4,1)$与$P_n$的笛卡尔积的交叉数为$8n$.
关键词: 交叉数, 泊松图P(4,1), 路, 笛卡尔积
Abstract: The crossing Number of Petersen graph $P(m,1)$ with paths $P_n$ is NP-complete problem, Y.H. Peng and Y.C.Yiew have determined the crossing Number of $P(3,1)$ with paths $P_n$ is $4n$, we have proved the crossing Number of $P(4,1)$ with paths $P_n$ is $8n$.
Key words: crossing number, petersen graph P(4,1), paths, Cartesian product
袁梓瀚 黄元秋. 泊松图P(4,1)与路Pn的笛卡尔积的交叉数[J]. 运筹学学报, 2011, 15(3): 95-106.
YUAN Zi-Han- Huang-Yuan-Qiu. The crossing Number of Petersen graph P(4,1) with paths Pn[J]. Operations Research Transactions, 2011, 15(3): 95-106.
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