概周期可逆映象的不变曲线
Invariant Curves of Almost Periodic Reversible Mappings
摘要:
本文证明了平面概周期可逆映象的几个不变曲线定理。作为应用,我们将讨论具有$f(t)$概周期的非线性振动系统$x"+g(x)x'+\varpi^{2}x+φ(x)=f(t)$概殆周期解的存在性和所有解的有界性。
英文摘要:
In this paper, we prove some invariant curve theorems for the planar almost periodic reversible mappings. As an application, we will discuss the existence of almost periodic solutions and the boundedness of all solutions for the nonlinear oscillator $x"+g(x)x'+\varpi^{2}x+φ(x)=f(t)$ with $f(t)$ almost periodic.
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