【摘要】 D₃2□P_n为双极图D₃与路P_n的笛卡尔积图.本文引入了一种新的加边运算,结合图的部分亏格分布,得到了笛卡尔积图D₃□P_n的亏格分布的递推表达式.更多还原

【Abstract】 D₃□P_n is the cartesian product of a dipole graph D₃ and a path P_n.We derive a recursion for the genus distribution of the graph D₃□P_n,with the aid of skillfully introducing a new kind of edges-adding operations and combining the partial genus distribution of the graph.更多还原