对任一图G,其弱控制的广义束缚数定义为:b′w(G)=min{t| F E(G),如果|F|=t,则有γw(G-F)>γw(G)}.本文给出了几类图弱控制的广义束缚数的精确值.称b′w(G)=1图为弱控制去边临界图,简记为γw-ER-critical,本文研究了正则图是弱控制去...对任一图G,其弱控制的广义束缚数定义为:b′w(G)=min{t| F E(G),如果|F|=t,则有γw(G-F)>γw(G)}.本文给出了几类图弱控制的广义束缚数的精确值.称b′w(G)=1图为弱控制去边临界图,简记为γw-ER-critical,本文研究了正则图是弱控制去边临界图的充要条件,以及一般图的必要条件.展开更多
25.3 % China’s industrial enterprises with annual sales revenue of more than 20 million yuan ($3.2 million) saw their profits increase 25.3 percent year on year in the first 10 months of 2011, said the National Burea...25.3 % China’s industrial enterprises with annual sales revenue of more than 20 million yuan ($3.2 million) saw their profits increase 25.3 percent year on year in the first 10 months of 2011, said the National Bureau of Statistics.展开更多
文摘对任一图G,其弱控制的广义束缚数定义为:b′w(G)=min{t| F E(G),如果|F|=t,则有γw(G-F)>γw(G)}.本文给出了几类图弱控制的广义束缚数的精确值.称b′w(G)=1图为弱控制去边临界图,简记为γw-ER-critical,本文研究了正则图是弱控制去边临界图的充要条件,以及一般图的必要条件.
文摘25.3 % China’s industrial enterprises with annual sales revenue of more than 20 million yuan ($3.2 million) saw their profits increase 25.3 percent year on year in the first 10 months of 2011, said the National Bureau of Statistics.