摘要
利用Λ-稳定秩条件,证明了当模M的Witt指数n大于等于ΛS(R)+1时,映射U2n(R,Λ)/EU2n(R,Λ)→U(M,q)/EU(M,q)是满射。
By using ∧ - stable range condition, it is proved that when the Witt index of module M is no less than ∧S(R) + 1 , the map U2n(R,∧)/EU2n(R,∧)→U(M,q)/EU(M,q)is subjective.
出处
《洛阳师范学院学报》
2008年第2期25-26,34,共3页
Journal of Luoyang Normal University
关键词
酉群
∧-稳定秩
Eichler变换
unitary group
∧- stable range condition
Eichler transvection