Classifications and existence of positive solutions of higher-order nonlinear neutral differential equations

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• 作者：Ouyang ; Zigen ; Li ; Yongkun ; Tang ; Qingan
• 关键词：Positive solution ; Existence ; Neutral differential equation ; Fixed point
• 刊名：Applied Mathematics and Computation
• 出版年：2004
• 出版时间：January 20, 2004
• 年：2004
• 卷：148
• 期：1
• 页码：105-120
• 全文大小：254 K

文摘

In this paper, necessary and sufficient conditions for the existence and classification of positive solutions of the higher order neutral differential equation Formula Not Shown are obtained, where P_i(t)≥0, i=1,…,m, f(t,μ₁,…,μ_l)C([t₀,∞)×R^l,R).