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arXiv 0908.4531math.GRmath.GT
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有限域上多项式环上Chevalley群的有限性

Finiteness Properties of Chevalley Groups over a Polynomial Ring over a Finite Field

Kai-Uwe Bux, Ralf Köhl, Stefan Witzel

摘要:

它是由H. Abels和P. Abramenko证明了对秩为n的经典Fq-群G,若q足够大,则Fq[t]-有理点的算术格G(Fq[t])是Fn-1型的.我们证明了在不对q作任何假设的情况下,对于定义在Fq上的任何迷向的、绝对几乎单群G,上述陈述都是成立的。

英文摘要:

It is known from work by H. Abels and P. Abramenko that for a classical Fq-group G of rank n the arithemetic lattice G(Fq[t]) of Fq[t]-rational points is of type Fn-1 provided that q is large enough. We show that the statement is true without any assumption on q and for any isotropic, absolutely almost simple group G defined over Fq.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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