In this paper, the lower bound problems of the maximum genus and the genus distributions of digraphs in orientable surfaces are studied.

本论文主要研究了图的最大亏格的下界问题以及有向图类在可定向曲面上嵌入的亏格分布。

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In this paper, the lower bound problems of the maximum genus and the genus distributions of digraphs in orientable surfaces are studied.

本论文主要研究了图的最大亏格的下界问题以及有向图类在可定向曲面上嵌入的亏格分布。

youdao