强乘积图与字典乘积图的控制数
2010-07-16赵维胜欧见平
赵维胜,欧见平
强乘积图与字典乘积图的控制数
赵维胜,欧见平
(五邑大学 数学与计算科学学院,广东 江门 529020)
强乘积图;字典乘积图;控制数;全控制数
1 预备知识
2 强乘积图的控制数
引理2得证.
3 字典乘积图的控制数
定理2证毕.
[1] VIZING V G. The Cartesian product of graphs[J]. Vyčhisl 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.
[责任编辑:熊玉涛]
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
国家自然科学基金资助项目(10801091);广东省自然科学基金资助项目(9151051501000072)
赵维胜(1981—),男,广东江门人,在读硕士生,研究方向:网络优化,E-mail: weishengzhao@yahoo.cn;欧见平,教授,博士,通信作者,研究方向:条件边连通性理论,E-mail: oujp@263.net.