In this paper, we study the planar Hamiltonian systemwhere where f is real analytic in x and θ,A(θ) is a 2×2real analytic symmetric matrix,J=(1^-1) and w is a Diophantine vector. Under the assumption that t...In this paper, we study the planar Hamiltonian systemwhere where f is real analytic in x and θ,A(θ) is a 2×2real analytic symmetric matrix,J=(1^-1) and w is a Diophantine vector. Under the assumption that the unperturbed systemreducible and stable, we obtain a series of criteria for the stability and instability of the equilibrium of the perturbed system.展开更多
基金Supported by National Natural Science Foundation of China(Grant No.10871090)
文摘In this paper, we study the planar Hamiltonian systemwhere where f is real analytic in x and θ,A(θ) is a 2×2real analytic symmetric matrix,J=(1^-1) and w is a Diophantine vector. Under the assumption that the unperturbed systemreducible and stable, we obtain a series of criteria for the stability and instability of the equilibrium of the perturbed system.