利用脉冲奇异混合边值问题的上下解方法得到了带脉冲的正指数Emden—Fowler方程次线性奇异混合边值问题PC^1([0,1],R+)正解存在的充分必要条件。
A necessary and sufficient condition for the existence of the PC^1 ( [0,1 ], R+ ) positive solutions to the sub-linear singular mixed boundary value problems of Emden-Fowler equations with impulse was obtained by the method of lower and upper solutions to impulsive singular mixed boundary value problems.