摘要
利用流形的上同调运算及吴类的性质 ,证明了闭流形的
The homotogy invariance of the Stiefel-Whitney classes of closed manifolds have broved by making use of the cohomogy operation and the properties of Wu classes.
出处
《衡阳师范学院学报》
2001年第3期68-70,共3页
Journal of Hengyang Normal University