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一类具偏差变元三阶微分方程周期解存在的充分条件 被引量:1

Sufficient Conditions on Existence of Periodic Solutions for a Kind of Third Order Differential Equation With a Deviating Argument
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摘要 本文利用Mawhin’s拓展定理,研究具偏差变元三阶微分方程x″′(t)+f(x(t),x(′t)x″(t)+g(t,x(t),x(t-r(t)))=P(t),得到其周期解存在的充分条件. By means of Mawhin's continuation theorem, we study some third-order differential equations with deviating argument: x″′(t) + f(x(t),x′(t))x″(t) + g(t,x(t),x(t - r(t)) = P(t), and sufficient conditions on existence of periodic solutions are obtained.
作者 郑冬梅
出处 《安徽师范大学学报(自然科学版)》 CAS 北大核心 2009年第3期212-216,共5页 Journal of Anhui Normal University(Natural Science)
基金 国家自然科学基金(10371006) 安徽省自然科学基金(050460103) 安徽省教育厅重点基金(2005kj031ZD)
关键词 周期解 Mawhin’s拓展定理 偏差变元 periodic solutions Mawhin's continuation theorem deviating argument
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