[1] Junxiang Xu*, Jiangong You,Persistence of the non-twist torus in nearly integrable hamiltonian systems, Proceedings of the American Mathematical Society, 138, pp2385-2395 , 2010.

[2] Junxiang Xu*, Shunjun Jiang, Reducibility for a class of nonlienar quasi-periodic differential equations with degnerate equilibrium point under small perturbation, Ergodical Theory Dynam. Systems, 31(2), pp599-611, 2011.

[3] Junxiang Xu, On small perturbation of two-dimensional quasi-periodic systems with hyperbolic-type degenerate equilibrium point, J. Differential Equations,  250(1), pp551-571, 2011.

[4] Junxiang Xu, On quasi-periodic perturbations of  hyperbolic-type degenerate equilibrium point of a class of planar systems, Discrete and Continuous Dynamical Systems (A),  33(6), pp2593-2619, 2013.

[5]Jun Wang, Junxiang Xu*, Fubao Zhang, Homoclinic orbits for superlinear Hamiltonian systems without Ambrosetti-Rabinowitz growth condition, Discrete Contin. Dyn. Syst. A, 27, pp1241-1257, 2010.

[6]Jun Wang, Junxiang Xu*, Fubao Zhang, Existence of solutions for nonperiodic superquadratic Hamiltonian elliptic systems, Nonlinear Analysis T.M.A., 72, pp 1949-1960, 2010.

[7]Jun Wang, Junxiang Xu*, Fubao Zhang, Existence and multiplicity of solutions for asymptotically Hamiltonian elliptic systems in R^N. J. Math. Anal. Appl., 367, pp 193-203, 2010.

[8] Xiaocai Wang*, Junxiang Xu, Dongfeng Zhang, Persistence of lower dimensional elliptic invariant tori for a class of nearly integrable reversible systems, Discrete Contin. Dynam. Systems (Series B), 14, pp1237-1249, 2010.

[9] Jian Ding*, Junxiang Xu, Fubao Zhang , Solutions of non-periodic super-quadratic Dirac equattions, Journal of Mathematical Analysis and applications, 336(1) , pp266-282, 2010.

[10]Jun Wang*, Junxiang Xu, Fubao Zhang, Homoclinic orbits for a class of Hamiltonian systems with superquadratic or asymptotically quadratic potentials,  Commun. Pure  Appl. Anal., 10 , pp 269-286,  2011.

[11]Jun Wang*, Junxiang Xu, Fubao Zhang, The existence of solutions for superquadratic Hamiltonian elliptic systems on R^N, Nonlinear Analysis TMA, 74 , pp909-921, 2011 .

[12]Jun Wang*, Junxiang Xu, Fubao Zhang, Infinitely many solutions for diffusion equations without symmetry,  Nonlinear Analysis TMA, 74, pp 1290-1303, 2011.

[13]Xiaocai Wang*, Junxiang Xu, Dongfeng Zhang, Degenerate lower dimensional tori in reversible systems, J. Math. Anal. Appl., 387, pp776-790, 2012,.   

[14]Jun Wang*, Lixin Tian, Junxiang Xu, Fubao Zhang, Multiplicity and concentration of positive solutions for a Kirchhoff type problem with critical growth, J. Differential Equations， 253, pp2314–2351, 2012 .

[15] Jun Wang*, Lixin Tian, Junxiang Xu, Fubao Zhang, Existence and concentration of positive solutionsfor semilinear Schrödinger–Poisson systems in R^3, Calc. Var. Partial Differential Equations, DOI 10.1007/s00526-012-0548-6, 2012.

[16] Jun Wang*, Junxiang Xu, Fubao Zhang, Existence of semiclassical ground state solutions for semilinear elliptic systems, Proc. Roy. Soc. Edinburgh Sect. A, 142A , pp867–895, 2012.

[17] Jun Wang* , Lixin Tian, Junxiang Xu, Fubao Zhang, Existence and non existence of the ground state solutions for nonlinear Schrödinger equations with nonperiodic nonlinearities, Math. Nachr., 285(11–12),  pp1543-1562 , 2012.  

[18] Jun Wang*, Hui Zhang, Junxiang Xu, Fubao Zhang, Existence of infinitely many homoclinic orbits for nonperiodic superquadratic Hamiltonian systems, Nonlinear Anal: Theory, Methods & Applications, 75, pp4873–4883, 2012.