SymplecticK2 of Laurent polynomials, associated Kac-Moody groups and Witt rings

SymplecticK2 of Laurent polynomials, associated Kac-Moody groups and Witt rings
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洛朗多项式的 SymplecticK2、关联的 Kac-Moody 群和 Witt 环

DOI:
10.1007/bf02571324
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发表时间:
1991
影响因子:
0.8
通讯作者:
U. Rehmann
U. Rehmann
中科院分区:
数学2区
文献类型:
--
作者:
Jun Morita;U. Rehmann

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在本说明中,我们将证明以下三个定理。这里F表示一个任意域,F* 是F的乘法群,F [~,3-1]是~中系数在F中的Laurent多项式环.设W(F)是F上的Witt环,其极大理想I(F)由偶数秩的类组成(参见[,11])。然后有两个确切的序列如下(cf. Suslin [-20]):
In this note, we wilt show the following three theorems. Here F denotes an arbitrary field, F* the multiplicative group of F, and F [~, 3-1] the ring of Laurent polynomials in~ with coefficients in F. Let W (F) be the Witt ring over F with the maximal ideal I (F) consisting of classes with even rank (cf.[, 11]). Then there are two exact sequences as follows (cf. Suslin [-20]):