... commutative property 交换性 commutative ring 可换环，交换环 commutator 整流器，整流子，转换开关，转换器 ...
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本文研究了含幺可换环上一般线性李代数的子代数结构。
In this paper, we study the subalgebra structure of the general linear Lie algebras over commutative rings.
本文主要对几乎可换环上酉群的基本子群的正规性进行了研究。
This thesis mainly works on the normality of elementary subgroup of Unitary group over almost commutative rings.
我们的结果是定理1 设R 是零因子可换环，那末R 是非奇异的当且仅当R 是半素的。
Our result is Theorem 1 Let R be a ring such that zero divisors commute. Then R is nonsingular if and only if R is semiprime.
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