一类多点边值问题格林函数的正性

摘要

利用扰动方法,构造了具有多点边值条件的二阶线性微分方程的格林函数,并给出了其格林函数为正的一个充分条件.%Using the perturbation method, we constructed the Green' s function for second order lineardifferential equations associated to a multi-point boundary condition. Moreover, we presented a sufficientcondition for the positiveness of the Green' s function.