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带有吸引型奇性的离散周期边值问题多重正解的存在性
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Abstract:
基于上下解方法和 Brouwer 度理论，获得如下边值问题![\"\"](\"Edit_994f73ad-c802-4932-aae3-efb32bcbaa1a.png\")
多重正解的存在性，其中 f : (0, +∞) → (0, +∞) 连续，？ : Z→ R和r : Z → (0, +∞)为T-周期函数，T > 3为给定的整数，m，μ，是两个正常数，且0 < m ≤1，s ∈ R是参数。
Based on the upper and lower solution method and Brouwer degree theory, we es- tablish the existence of multiple positive solutions for the following boundary value problems![\"\"](\"Edit_39cf7487-2efe-41ae-9fdb-73077c394308.png\")
where f : (0, +∞) → (0, +∞) is continuous, ？ : Z → R, r : Z → (0, ∞) are T -periodic functions, T > 3 is a positive integer, m and μ are two positive constants and 0 < m ≤ 1, s ∈ R is a parameter.
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