On [X, U(n)] when dim X is 2n+1

被引：7

作者：

Hamanaka, H ^{[1
]}

机构：

[1] Hyogo Univ Teachers Educ, Dept Nat Sci, Yashiro, Hyogo 6731494, Japan

来源：

JOURNAL OF MATHEMATICS OF KYOTO UNIVERSITY | 2004年 / 44卷 / 03期

关键词：

D O I：

10.1215/kjm/1250283088

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

In this paper we investigate the homotopy set [X, U(n)], where X is a finite CW-complex with its dimension 2n + 1 and U(n) is the unitary group. This homotopy set has the group structure and can be described as a central extension using ordinary cohomology and K-theory.

引用

页码：655 / 667

页数：13