main diagonal transitive matrix

·Furthermore, We introduce a new kind of transitive matrix--main diagonal transitive matrix, and we discuss equivalent characterization, its graphic properties and consistent properties of its cut matrices.
·给出了一种新的传递矩阵—主优传递阵,并讨论了它的等价刻画、图论性质及与截阵的性质一致问题,丰富了典型阵的内容。