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Xu, J.X. (2011) On Small Perturbation of Two-Dimensional Quasi-Periodic Systems with Hyperbolic-Type Degenerate Equilibrium Point. Journal of Differential Equations, 250, 551-571.
https://doi.org/10.1016/j.jde.2010.09.030

has been cited by the following article:

• TITLE: Reducibility for a Class of Two-Dimensional almost Periodic System with Small Perturbation

  AUTHORS: Fanhui Meng, Wenhua Qiu

  KEYWORDS: Almost Periodic System, KAM Iterative Method, Reducibility

  JOURNAL NAME: Advances in Pure Mathematics, Vol.11 No.12, December 21, 2021

  ABSTRACT: This paper focuses on the reducibility of two-dimensional almost periodic system with small perturbation. We use the KAM iterative method to get the reducibility by an almost periodic transformation. The system has been reduced to a simple form. So we have dealt with the small perturbation problem of the almost periodic system.