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 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。
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