趙維勝,歐見平
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強(qiáng)乘積圖與字典乘積圖的控制數(shù)
趙維勝,歐見平
(五邑大學(xué) 數(shù)學(xué)與計(jì)算科學(xué)學(xué)院,廣東 江門 529020)
強(qiáng)乘積圖;字典乘積圖;控制數(shù);全控制數(shù)
引理2得證.
定理2證畢.
[1] VIZING V G. The Cartesian product of graphs[J]. Vy?hisl Sistemy, 1963, 9: 30-43.
[2] JACOBSON M S, KINCH L F. On the domination number of product of graphs Ⅱ: trees[J]. J Graph Theory, 1986, 10: 97-106.
[3] EI-ZAHAR M, PAREEK C M. Domination number of products of graphs [J]. Ars Combin, 1991, 31: 223-227.
[4] BONDY J A, MURTY U S R. Graph theory with applications[M]. London: Macmillan Press, 1976.
[5] MEIR A, MOON J W. Relations between packing and covering numbers of a tree [J]. Pacific J Math, 1975, 61(1): 225-233.
[責(zé)任編輯:熊玉濤]
Domination Numbers of Strong Products and Lexicographic Products of Graphs
ZHAOWei-sheng,OUJian-ping
strong product graph; lexicographic product graph; domination number; total domination number
1006-7302(2010)03-0003-07
O157.6
A
2010-03-15
國(guó)家自然科學(xué)基金資助項(xiàng)目(10801091);廣東省自然科學(xué)基金資助項(xiàng)目(9151051501000072)
趙維勝(1981—),男,廣東江門人,在讀碩士生,研究方向:網(wǎng)絡(luò)優(yōu)化,E-mail: weishengzhao@yahoo.cn;歐見平,教授,博士,通信作者,研究方向:條件邊連通性理論,E-mail: oujp@263.net.