单半群
In this paper, the ideals, bi-ideals and dual-principal bi-ideals of rectangular band, completely simple semigroup, semilattice, Clifford semigroup, matrix unit semigroup, bicyclic semigroup are depicted.
本文给出了矩形带,完全单半群,半格,clifford半群,矩阵单位半群的理想,双理想与双主双理想的刻画。
The integral matrix representation of the endomorphism monoid of a graph has been given by the method of the algebraic topology, some simple properties of the integral matrix semigroup have been discussed.
通过代数拓扑的方法,给出了图的自同态摹群的整矩阵表示,并讨论了整矩阵半群的简单性质。
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