摘要
利用J.Hadamard构造基本解的思想,构造了p+q变元齐次超双曲型方程特征问题的解,此方法也适用于非齐次方程、变系数方程。
In this paper, we construct the solution of characteristic problem for p+q variable homogeneous ultra-hyperbolic equation, by using the idea of J. Hadamard to construct the elementary solution. Our method can also be applied to nonhomogeneous and variable cofficient equations.
