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Controllability of Semilinear Integrodifferential Degenerate Sobolev Equations
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作者 GE Zhaoqiang 《Journal of Systems Science & Complexity》 SCIE EI CSCD 2024年第5期1923-1936,共14页
In this paper,the approximate controllability of semilinear integrodifferential degenerate Sobolev equations with nonlocal conditions is investigated in the sense of integral solution in Hilbert spaces.Some sufficient... In this paper,the approximate controllability of semilinear integrodifferential degenerate Sobolev equations with nonlocal conditions is investigated in the sense of integral solution in Hilbert spaces.Some sufficient and necessary conditions are obtained.Firstly,the existence and uniqueness of integral solutions of semilinear integrodifferential degenerate Sobolev equations with nonlocal conditions are considered by GE-evolution operator theory and Sadovskii’s fixed point theorem,the existence and uniqueness theorem of solutions is given.Secondly,the approximate controllability of semilinear integrodifferential degenerate Sobolev equations with nonlocal conditions is studied in the sense of integral solution.The criterion for approximate controllability is provided.The obtained results have important theoretical and practical value for the study of controllability of semilinear integrodifferential degenerate Sobolev equations with nonlocal conditions. 展开更多
关键词 Approximate controllability GE-evolution operator integral solution sadovskii’s fixed point theorem semilinear integrodifferential degenerate Sobolev equations
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Controllability results for semilinear impulsive integrodifferential evolution systems with nonlocal conditions 被引量:3
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作者 Bheeman RADHAKRISHNAN Krishnan BALACHANDRAN 《控制理论与应用(英文版)》 EI 2012年第1期28-34,共7页
In this paper, we establish sufficient conditions for the controllability of a class of semilinear impulsive integrodifferential systems with nonlocal initial conditions in Banach spaces. We derive the conditions usin... In this paper, we establish sufficient conditions for the controllability of a class of semilinear impulsive integrodifferential systems with nonlocal initial conditions in Banach spaces. We derive the conditions using Hausdorff measure of noncompactness, Sadovskii fixed point theorem and operator semigroups in particular dropping compactness of the operator. 展开更多
关键词 CONTROLLABILITY Impulsive integrodifferential system Evolution operator Nonlocal initial conditions Condensing operator sadovskii fixed point theorem Semigroup theory
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Controllability of Non-densely Defined Neutral Functional Differential Systems in Abstract Space 被引量:1
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作者 Xianlong FU Xingbo LIU 《Chinese Annals of Mathematics,Series B》 SCIE CSCD 2007年第2期243-252,共10页
In this paper, by means of Sadovskii fixed point theorem, the authors establish a result concerning the controllability for a class of abstract neutral functional differential systems where the linear part is non-dens... In this paper, by means of Sadovskii fixed point theorem, the authors establish a result concerning the controllability for a class of abstract neutral functional differential systems where the linear part is non-densely defined and satisfies the Hille-Yosida condition. As an application, an example is provided to illustrate the obtained result. 展开更多
关键词 CONTROLLABILITY Non-densely defined Integral solution sadovskii fixed point theorem
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Approximate controllability of impulsive neutral stochastic functional differential system with state-dependent delay in Hilbert spaces
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作者 P.MUTHUKUMAR C.RAJIVGANTHI 《控制理论与应用(英文版)》 EI CSCD 2013年第3期351-358,共8页
Many practical systems in physical and technical sciences have impulsive dynamical behaviors during the evolution process which can be modeled by impulsive differential equations. In this paper, we prove the approxima... Many practical systems in physical and technical sciences have impulsive dynamical behaviors during the evolution process which can be modeled by impulsive differential equations. In this paper, we prove the approximate controllability of control systems governed by a class of impulsive neutral stochastic functional differential system with state-dependent delay in Hilbert spaces. Sufficient conditions for approximate controllability of the control systems are established under the natural assumption that the corresponding linear system is approximately controllable. The results are obtained by using semigroup theory, stochastic analysis techniques, fixed point approach and abstract phase space axioms. An example is provided to illustrate the application of the obtained results. 展开更多
关键词 Approximate controllability Hilbert space Impulsive neutral stochastic functional differential system Semigroup theory sadovskii’s fixed point theorem
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