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α-范数下非局部脉冲发展方程mild解的存在性

Existence of mild solutions for impulsive evolution equations with nonlocal conditions in the α-norm
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摘要 讨论非线性脉冲发展方程非局部问题u'(t)+Au(t)=f(t,u(t),Gu(t)),t∈[0,T],t≠tk,Δu|t=tk=Ik(u(tk)),k=1,2,…,m,0<t1<t2<…<tm<T,u(0)+g(u)=u{0的mild解的存在性。在-A生成紧解析半群的情形下,分别利用Schaucer不动点定理、Sadovskii不动点定理及Banach压缩映射原理在α-范数下获得了若干该问题mild解的存在性定理。 We discuss the existence of mild solutions for nonlocal problem{u′(t)+Au(t)=f(t,u(t),Gu(t)),t∈,t≠tk,Δu|t=tk=Ik(u(tk)),k=1,2,…,m,0t1t2…tmT,u(0)+g(u)=u0.When-A generates a compact analytic semigroup.Some existence results of mild solutions are obtained in the α-norm by using Schauder′s fixed point theorem,Sadovskii′s fixed point theorem and Banach contraction mapping principle.
作者 杨和
出处 《山东大学学报(理学版)》 CAS CSCD 北大核心 2011年第11期70-74,95,共6页 Journal of Shandong University(Natural Science)
基金 甘肃省自然科学基金资助项目(0710RJZA103)
关键词 脉冲发展方程 非局部条件 MILD解 紧解析半群 α-范数 impulsive evolution equations nonlocal conditions mild solutions compact analytic semigroup α-norm
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参考文献7

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