本文刻画了布尔代数上强保持交换矩阵对的线性算子。
In this paper, the linear operators that strongly preserve commuting pairs of matrices over are characterized.
同时也刻画了布尔代数上强保持交换矩阵对的线性算子。
And also we characterize the linear operators that strongly preserve commuting pairs of matrices over Boolean algebras.
针对公交线路中存在往返路线不一致、内外线路等情况，对用改进的邻接矩阵方法实现这一类型的公交换乘进行了研究。
There are go-return route and out-in routes in bus route, use the method of better adjacency matrix to implement this kind of bus change.
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