本质不连通冠状系统的结构刻画  

Structural description of essentially disconnected coronoid systems

作　　者：魏首柳[1] 

机构地区：[1]闽江学院数学系,福建福州350108

出　　处：《闽江学院学报》2007年第2期10-13,共4页Journal of Minjiang University

基　　金：闽江学院科技育苗项目(YKY05001)

摘　　要：本质不连通冠状系统定义为含有固定键且至少有一个“洞”的克库勒冠状系统.对一个含有2个“洞”的本质不连通冠状系统G,删除其所有固定单键和双键的所有顶点后所得到的子图是不连通的,而且每个连通分支都是正规分支,或者是正规的苯系统,或者是正规的双冠状系统,或者是正规的广义双冠状系统,或者是正规的单冠状系统。An essentially disconnected coronoid system is defined as a Kekulean coronoid system which has fixed （ single or double） bonds and has at least one hole. The subgraph for an essentially disconnected coronoid system G which has just two holes was obtained by deleting all the fixed single bonds and all the end vertices of the fixed double bonds. It is proved the subgraph is disconnected and that each connected component is a normal component, belonging to a normal benzenoid system, a normal two coronoid system, normal generalized coronoid system or a normal single coronoid system.

关 键 词：冠状系统 固定键 正规分支 克库勒结构 

分 类 号：O157.5[理学—数学]