时标上泛函微分方程的正解  

Positive solutions for functional differential equations on time scales

作　　者：董延寿[1] 张毅敏[1] 杨慧娟[1] 

机构地区：[1]昭通学院数学与统计学院,云南昭通657000

出　　处：《昭通学院学报》2013年第5期1-8,共8页Journal of Zhaotong University

摘　　要：在时标上研究一类二阶泛函微分方程的正解的存在性,通过使用Krasnosel’skill不动点定理,在时标上获得方程至少有一个正解,并且给出一个例子说明研究结果的可行性和有效性.This paper investigate the existence of positive solutions for a class of the second-order functional differenti-al equations on time scales,We obtain that the equation has at least a positive solutions by using the fixed point theorems due to Krasnosel’skill,And an examples is presented to illustrate the feasibility and effectiveness of investigative results.

关 键 词：正解 不动点 时标 泛函微分方程 

分 类 号：O175.14[理学—数学]