| 1. | In this paper we discuss the boundary conditions for the selfadjointness of the ordinary differential operators . let l , = d * + q ( f ) , where q e c4 , / = 1 , 2 , with different domains , we have 1 常微分算子理论是集常微分方程、泛函分析、空间理论及算子理论等理论、方法于一体的综合性,边缘性的数学。 |