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arXiv 0902.4266math.RTmath.AGmath.RA
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几种矩阵的O(n)-不变量之间的关系

Relations between O(n)-invariants of several matrices

A. A. Lopatin

摘要:

一个线性群G<GL(n)通过同时共轭作用于n × n矩阵的d-元组. Procesi在[Adv.Math.19(1976),306-381]中建立了G-不变量的生成元和它们之间的关系,这里G是GL(n),O(n),Sp(n),基域的特征为零。我们继续推广上述结果的情况下,积极的特点起源于Donkin在[发明。110(1992),389-401]。我们研究了O(n)-不变量的生成元之间的关系。

英文摘要:

A linear group G<GL(n) acts on d-tuples of n x n matrices by simultaneous conjugation. In [Adv. Math. 19 (1976), 306-381] Procesi established generators and relations between them for G-invariants, where G is GL(n), O(n), and Sp(n) and the characteristic of base field is zero. We continue generalization of the mentioned results to the case of positive characteristic originated by Donkin in [Invent. Math. 110 (1992), 389-401]. We investigate relations between generators for O(n)-invariants.

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