Uniformly Almost Periodic Functions and Almost Periodic Solutions to Dynamic Equations on Time Scales

Uniformly Almost Periodic Functions and Almost Periodic Solutions to Dynamic Equations on Time Scales
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时标上动态方程的一致准周期函数和准周期解

DOI:
10.1155/2011/341520
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发表时间:
2011-10
影响因子:
--
通讯作者:
Wang Chao
Wang Chao
中科院分区:
--
文献类型:
--
作者:
Li Yongkun;Wang Chao

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首先,我们提出了概周期时标上一致概周期函数的概念,并研究了它的一些基本性质。当时间尺度为或时,一致概周期函数的定义分别等价于一致概周期函数和一致概周期序列的经典定义.在此基础上,我们研究了线性动力方程概周期解的存在唯一性,得到了允许指数型二分性的一些基本条件。最后,作为应用,我们研究了时标上概周期非线性动力方程概周期解的存在性。
Firstly, we propose a concept of uniformly almost periodic functions on almost periodic time scales and investigate some basic properties of them. When time scale or , our definition of the uniformly almost periodic functions is equivalent to the classical definitions of uniformly almost periodic functions and the uniformly almost periodic sequences, respectively. Then, based on these, we study the existence and uniqueness of almost periodic solutions and derive some fundamental conditions of admitting an exponential dichotomy to linear dynamic equations. Finally, as an application of our results, we study the existence of almost periodic solutions for an almost periodic nonlinear dynamic equations on time scales.
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