摘要
The usual concept of eobordism is concerned with closed manifolds.In this paper, we generalise the concept of cobordism to the extent of bouncded manifolds and obtain a homotopy theorem similar to the theorem of Thom.
The usual concept of eobordism is concerned with closed manifolds.In this paper, we generalise the concept of cobordism to the extent of bouncded manifolds and obtain a homotopy theorem similar to the theorem of Thom.
基金
National Natural Science Foundation of China
a grant of Zhejiang Natural Science Foundation.