An identification edge structure is put forward to represent non manifold modeling, which is built on the concepts and methods of the complex and CWcomplex in algebraic topology.
提出了一个非流形结构的表示方法——粘合边结构，其数学基础是代数拓扑中的复形理论。
2
The rationalization of any 1-connected finite CW-complex is a rational spaces.