时间模上四-点边值问题三个正解的存在性  

Existence of Three Positive Solutions to a Four-point Boundary Value Problems on Time Scales

作　　者：张英[1] 乔世东[1] 

机构地区：[1]山西大同大学数学与计算机科学学院,山西大同037009

出　　处：《山西大同大学学报（自然科学版）》2016年第2期1-3,7,共4页Journal of Shanxi Datong University(Natural Science Edition)

摘　　要：时间模上的二阶非线性动力学方程四一点边值问题至少有一个和两个正解的存在性已经给出,本文给出至少有三个正解的存在性。Some results are obtained for the existence of at least one,two positive solutions of the above problem by using fixed point theorem.In this paper,we study the existence of at least three positive solutions of a nonlinear second-order four-point boundary value problem for dynamic equations on time scales.

关 键 词：正解 时间模 边值问题 不动点定理 锥 

分 类 号：O175.2[理学—数学]