essential surface;
surface sum;
length of thin position;
D O I:
暂无
中图分类号:
O186.12 [黎曼几何];
学科分类号:
070104 ;
摘要:
In this paper, we will characterize all types of essential closed surfaces in a class of surface sum ofI-bundle of closed surfaces, and give an application of the classificatioa in the surface sum of two 3-manifolds.