摘要
本文讨论不同阶黑洞之间的联系．即当低阶黑洞具有某些特征时，可以推出一系列高阶等周长的黑洞。根据特征的不同，考虑了三种基本类型：正则黑洞，底黑洞与中央黑洞。
In this paper, we consider a certain relation between Black -hole of higher odrer and one of lower oder: the former exist when the latter has some characteristics, for which we consider three basic types of Black-holes -regular, central or bottom Black-holes.
作者
孙建新
Sun Jianxin(Department of Mathematics )
关键词
黑洞数
黑洞
简化有向图
正则黑洞
底黑洞
中央黑洞
black-hole number
black-hole
regular black-hole
central black-hole
bottom black-hole
