关键词: 格林函数, 正性, 多点边值问题, 二阶微分方程

Abstract:

Using the perturbation method, we constructed the Green’s function for second order linear differential equations associated to a multipoint boundary condition. Moreover, we presented a sufficient condition for the positiveness of the Green’s function.

Key words: Green’s function, positiveness, multipoint boundary value problems, second order differential equation