Representation theory and the cycle map of a classifying space

被引：2

作者：

Kameko, Masaki ^{[1
]}

机构：

[1] Shibaura Inst Technol, Dept Math Sci, 307 Minuma Ku Fukasaku, Saitama, Japan

来源：

ALGEBRAIC GEOMETRY | 2017年 / 4卷 / 02期

基金：

日本学术振兴会;

关键词：

lassifying space; Chow ring; cycle map; Chern class;

D O I：

10.14231/AG-2017-011

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We compute the Chern subgroup of the fourth integral cohomology group of a certain classifying space and show that it is a proper subgroup. Such a classifying space gives us new counterexamples for the integral Hodge and Tate conjectures modulo torsion.

引用

页码：221 / 228

页数：8

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