个人简历

1996.09-2000.06 苏州大学 数学科学学院 获理学学士学位
2000.09-2003.02 同济大学 应用数学系 获理学硕士学位
2003.03- 今 南京信息工程大学 数学系 教师
2005.09-2009.11 东南大学 数学系 获理学博士学位
2012.10-2013.4 Purdue University (美国) 访问学者
2013.05-2013.05 陈省身数学所 访问学者

研究领域

从事变分方法的研究及变分法在具有变分结构的微分系统中的应用研究

近期论文

[1]R.Cheng, Periodic solutions for asymptotically linear Hamiltonian system with resonance both at infinity and origin via computation of critical groups, Nonlinear Anal. 89 (2013) 134–145.
[2]R.Cheng, J.Hu, Z. Wang, Multiple solutions for semilinear resonance elliptic problems with nonconstant coefficients at infinity, J.Math.Phy.53, 123524 (2012).
[3]R.Cheng, D.Zhang, Nontrivial periodic solutions for strong resonance Hamiltonian systems via a local linking theorem, Nonlinear Anal., 74 (2011): 5467-5474.
[4]R.Cheng, D.Zhang, Periodic solutions of asymptotically linear Hamiltonian systems without twist conditions, Z. Naturforsch., 65a (2010): 445-452.
[5]R.Cheng，Symplectic transformations and a reduction method for asymptotically linear Hamiltonian systems，Acta Appl. Math., 110 (2010): 209-214.
[6]R.Cheng, D.Zhang, Existence results of periodic solutions for non-autonomous differential delay equations with asymptotically linear properties，Nonlinear Anal.,11 (2010): 3406-3412.
[7]R.Cheng, J.Xu and D.Zhang, On the existence of periodic solutions for a class of non-autonomous differential delay equations, Topol. Methods Nonlinear Anal., 35(2010):139-154.
[8]R.Cheng, J.Xu, Periodic solutions for a class of differential delay equations, NoDEA Nonlinear Differential Equations Appl.,16(2009):793-809.