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一类二阶泛函微分方程解的平方可积性和有界性
Quadrtic Integability and Boundedness of Solutionsof a Class of Functional Differential Equations
【摘要】 讨论了二阶泛函微分方程x(″t)+p(t)x(′t)+q1(t)x(t)+q2(t)x(t-τ)=f(t)通过构造一类泛函,借助于两个重要不等式建立了其属于L.S或L.S∩L.C(L.S表示解有界,L.C表示平方可积)的充分条件.
【Abstract】 In this paper,with the aid of auxiliary founctions ah inequalities,we consider the second order nonhomogeneous functional differential equationx″(t)+p(t)x′(t)+q1(t)x(t)+q2(t)x(t-τ)=f(t)where we assume that equation(1) exists solution.We obtain some sufficient cnditions under which all solutions x(t) of equation(1) belong to L.S or L2[2,∞)∩L∞[2,∞).
- 【文献出处】 数学的实践与认识 ,Mathematics in Practice and Theory , 编辑部邮箱 ,2006年05期
- 【分类号】O175.14
- 【被引频次】9
- 【下载频次】60