【摘要】 本文通过对基础图论的研究给出平面内n个点关于它们之间的联线的若干组合结论,同时还给出对称群S_n关于它的生成元系的一个结论.更多还原

【Abstract】 Under the research of basic graph theories, the author concludes the numerous combinations of connective lines between n points in a plane, and makes a conclusion of the generation function of symmetric group Sn.更多还原