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局部环上特殊线性群的u-伸缩换位子生成
The special linear groups over local rings generated by commutators dilatations
【摘要】 设R是局部环,J是R的根,U(R)是R中单位元素集合。在一般线性群GLn(R)(n≥2)中与u■In-1相似的元素称为一个U-伸缩,其中u∈U(R)。在|R/J|>2的假设下,证明SLn(R)可由u-伸缩构成的换位子生成。并在R是域时,在|R|=3或4的假设下,确定SL2(R)中u-伸缩换位子生成个数。
【Abstract】 Let R be a local ring and J denote the radical of R, the author shows that every element of SLn(R) represent as a product of corrunutators dilatations with |R/J|>2, and the shortest length l(SL2(F)) generated by commutators dilatations detendned where F is a field with |F|=3 or 4.
- 【文献出处】 黑龙江大学自然科学学报 ,JOURNAL OF NATURAL SCIENCE OF HEILONGJIANG UNIVERSITY , 编辑部邮箱 ,2000年02期
- 【分类号】O152.3
- 【下载频次】9