摘要: 用Guo-Krasnoselskii不动点定理给出半正二阶离散周期边值问题正解的存在性和多解性结果, 其中λ>0为参数, [1,T]z={1,2,…,T}, f: [1,T]z×[0,∞)→R连续且存在常数D>0, 使得f(t,u)≥-D, (t,u)∈[1,T]z×[0,∞), a: [1,T]z→(0,∞), 02(π/2T).
中图分类号:
王瑞, 路艳琼. 一类含参半正二阶离散周期边值问题正解的存在性[J]. 吉林大学学报(理学版), 2021, 59(4): 725-730.
WANG Rui, LU Yanqiong. Existence of Positive Solutions for a Class of Semi-positone Second-Order Discrete Periodic Boundary Value Problem with Parameter[J]. Journal of Jilin University Science Edition, 2021, 59(4): 725-730.