1·What else could fully explain their constant recurrence throughout human history and across vastly different human cultures?
对于这一贯穿于人类历史，跨越不同文化的反复行径，我们该做何解释呢？
2·A formula for the number of their spanning trees was given, Furthermore its asymptotic behaviors were considered and the linear recurrence relations with constant coefficients were also obtained.
给出其支撑树数的一个公式，并得到其渐近性态和常数系数的线性递归关系。
3·This paper gives an explicit solution to linear non-homogeneous recurrence relations with constant coefficients by means of generating function.
应用生成函数的方法求出了常系数非齐次线性递推式的显式解。
4·By using Frobenius matrix, this paper presents the common solution in another form to linear recurrence formula with constant coefficients.
对若当标准形及所使用的可逆矩阵的计算加以简化，并借助若当标准形给出线性递推关系式求解的一般方法。