首页 | 本学科首页   官方微博 | 高级检索  
     


Cup products in Grassmannians
Authors:R.E. Stong
Affiliation:Department of Mathematics, University of Virginia, Charlottesville, VA 22903, USA
Abstract:This note calculates the height of the first Stiefel-Whitney class in the cohomology of the real Grassmannians and determines the length of the longest nontrivial cup-product in H1(Gk(Rn+k);Z2) (k?n) with k?4.
Keywords:55M30  57R20  Grassmannians  Lusternik-Schnirelmann category  Stiefel-Whitney classes
本文献已被 ScienceDirect 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号