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.
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。
The linear operators that strongly preserve invertible matrices over some antinegative commutative semirings with no zero divisors were characterized.
刻画了在非负无零因子交换半环上强保持可逆矩阵的线性算子。
The structures of a kind of algebras which contain left zero-divisors are characterized, and the problem advanced in Wu Pinshan's work ls solved.
刻划了一类含左零因子的代数的结构，解决了己有文献提出的问题。
The structures of a kind of algebras which contain left zero-divisors are characterized, and the problem advanced in Wu Pinshan's work ls solved.
刻划了一类含左零因子的代数的结构，解决了己有文献提出的问题。
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