A class of boundness operators in weighted hardy spaces 空间上的有界性
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Global existence and uniform boundness of solutions to a cross - diffusion system 一类强耦合抛物系统解的一致有界性
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Boundness and almost periodicity of some state - dependent delay differential equations with infinite delays 具无穷时滞状态依赖变元微分方程解的有界性及概周期性
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The present paper deals with the uniform boundness and the ended uniform boundness of solutions for a nonlinear functional differential equation by using lyapunov method 摘要讨论一类非线性泛函微分方程解的一致有界性和一致最终有界性。
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The controller can guarantee the global boundness of all closed - loop signals , tracking error to converge exponentially to a small bounded neighbourhood of zero 所设计的自适应控制器既能保证闭环系统所有信号的全局有界性，又能使输出跟踪误差以指数速度收敛到零的一个小邻域内。
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And presents a kind of new globally stabilizing nonlinear controller design scheme only using input and output signals , which guarantees the boundness of all the signals in the closed system 仅利用输入输出可测信号给出了一种新的全局稳定的非线性控制器设计方案，保证了系统的所有信号有界
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Firstly , the identification of the double medium system is considered , the existence , the uniqueness and the boundness of the solution of the system of the partial differential equations are proved by using the monotone method , the mathematical model of the parameter identification problem is established , and under some mild assumptions , the optimality system about the identification is derived , thus the suitable gradient methods can be employed to solving the identification problem . secondly , the theories of optimal control of distributed parameter system are introduced to investigate the parameters identification problem involving the three - dimensional population system 利用单调方法证明了正问题解的存在惟一性和有界性，建立了相应参数识别问题的数学模型，并给出了求解这类识别问题的最优化系，从而可利用适当的梯度法，实现对系统参数的识别；把分布参数系统最优控制理论引入到具有多个识别参数的三维种群生态系统的参数识别问题之中，给出了参数识别问题最优解的存在性结论，证明了状态方程的解对识别参数的连续依赖性和g (
