Chern characters on compact Lie groups of low rank

Chern characters on compact Lie groups of low rank
复制标题

低阶紧李群上的陈省身特征

DOI:
10.18910/10102
复制
发表时间:
1985
影响因子:
0.4
通讯作者:
Takashi Watanabe
Takashi Watanabe
中科院分区:
数学4区
文献类型:
--
作者:
Takashi Watanabe

文献摘要

被引文献

相似文献

设G是一个紧的单连通单李群,秩为1. G具有1个不可约表示pj,...,ph,其最高权重分别是基本权重α 1,...,ω 1(参见[19])。则G的表示环R(G)是一个多项式代数Z[pl 9···,p/].根据Hodgkin [16]的定理,G的Z/2-分次^-理论K*(G)是一个外代数A.z(β(pl)9 -,β(ρi)),其中β:R(G)-+K*(G)是[16]中引入的映射.因此,Chern特征标ch:K*(G)-^>H*(G\ Q)是单射的[5]。可以写
Let G be a compact, simply connected, simple Lie group of rank /. G has / irreducible representations pj, ••-, ph whose highest weights are the fundamental weights a>ι, •••, ω/ respectively (see [19]). Then the representation ring R(G) of G is a polynomial algebra Z[pl9 •••, p/]. By the theorem of Hodgkin [16], the Z/2-graded ^-theory K*(G) of G is an exterior algebra A.z(β(pl)9 —, β(ρi)), where β: R(G)-+K*(G) is the map introduced in [16]. Therefore the Chern character ch: K*(G)-^>H*(G\ Q) is injective [5]. We may write