NEW IMMERSIONS OF GRASSMANN MANIFOLDS

被引:0
作者
Shimkus, Thomas A. [1 ]
机构
[1] Univ Scranton, Dept Math, Scranton, PA 18510 USA
来源
BOLETIN DE LA SOCIEDAD MATEMATICA MEXICANA | 2007年 / 13卷 / 02期
关键词
immersions; Grassmann manifolds; modified Postnikov towers;
D O I
暂无
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Let G(k,n) denote the kn-dimensional Grassmann manifold of unoriented k-planes in R(n+k). Monks [3] obtained a simple description of H* (G(2,2i-3); Z(2)) and used modified Postnikov towers to prove that for i >= 3, G(2,2i-3) immerses in R(2i+2-1.5). We give a finer modified Postnikov tower argument to prove that for i >= 4, G(2,2l-3), immerses in R(2i-2 - 17).
引用
收藏
页码:381 / 389
页数:9
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