On the persistence of degenerate lower-dimensional tori in reversible systems

On quasi-periodic perturbations of hyperbolic-type degenerate equilibrium point of a class of planar systems

(2012) Junxiang Xu   DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS

Persistence of Lower Dimensional Tori for a Class of Nearly Integrable Reversible Systems

(2011) Xiaocai Wang et al.   ACTA APPLICANDAE MATHEMATICAE

Degenerate lower dimensional tori in reversible systems

(2011) Xiaocai Wang et al.   JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS

Persistence of lower dimensional elliptic invariant tori for a class of nearly integrable reversible systems

(2010) Dongfeng Zhang et al.   DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B

Reducibility for a class of nonlinear quasi-periodic differential equations with degenerate equilibrium point under small perturbation

(2010) JUNXIANG XU et al.   ERGODIC THEORY AND DYNAMICAL SYSTEMS

On small perturbation of two-dimensional quasi-periodic systems with hyperbolic-type degenerate equilibrium point

(2010) Junxiang Xu   JOURNAL OF DIFFERENTIAL EQUATIONS

Quasi-periodic bifurcations in reversible systems

(2010) Heinz Hanßmann   REGULAR & CHAOTIC DYNAMICS

Gevrey-smoothness of invariant tori for analytic reversible systems under Rüssmann's non-degeneracy condition

(2009) Junxiang Xu et al.   DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS

Quasi-periodic stability of normally resonant tori

(2008) Henk W. Broer et al.   PHYSICA D-NONLINEAR PHENOMENA