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A comparative study of approximate symmetry and approximate homotopy symmetry to a class of perturbed nonlinear wave equations 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2011, 卷号: 74, 期号: 13, 页码: 4300-4318
作者:  Zhang, Zhiyong;  Chen, Yufu
收藏  |  浏览/下载：105/0  |  提交时间：2018/07/30
Approximate symmetry  Optimal system  Reduction  Approximate homotopy symmetry  
Infinitely many solutions for a class of nonlinear Dirac equations without symmetry 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2009, 卷号: 70, 期号: 2, 页码: 921-935
作者:  Zhao, Fukun;  Ding, Yanheng
收藏  |  浏览/下载：67/0  |  提交时间：2018/07/30
Structure of ground state solutions of singular semilinear elliptic equations 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2003, 卷号: 55, 期号: 4, 页码: 399-417
作者:  Sun, YJ;  Li, SJ
收藏  |  浏览/下载：89/0  |  提交时间：2018/07/30
semilinear elliptic equations  singular nonlinearities  variational methods  radially symmetric  ground state solutions  uniqueness  
The asymptotic behavior of global smooth solutions to the hydrodynamic model for semiconductors with spherical symmetry 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2003, 卷号: 52, 期号: 3, 页码: 827-850
作者:  Hsiao, L;  Wang, S
收藏  |  浏览/下载：90/0  |  提交时间：2018/07/30
multidimensional hydrodynamic model  semiconductors  asymptotic behavior  global smooth solution  
Periodic solutions of superlinear beam and membrane equations with perturbations from symmetry 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2001, 卷号: 44, 期号: 6, 页码: 727-748
作者:  Bartsch, T;  Ding, YH
收藏  |  浏览/下载：87/0  |  提交时间：2018/07/30
generalized membrane equation  forced oscillations  perturbation from symmetry  strongly indefinite functionals  weak Palais-Smale condition  
Infinitely many homoclinic orbits of a Hamiltonian system with symmetry 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 1999, 卷号: 38, 期号: 3, 页码: 391-415
作者:  Ding, YH;  Girardi, M
收藏  |  浏览/下载：71/0  |  提交时间：2018/07/30
Hamiltonian system  symmetry  homoclinic orbits  
REMARKS ON SUBHARMONICS WITH MINIMAL PERIODS OF HAMILTONIAN-SYSTEMS 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 1993, 卷号: 20, 期号: 7, 页码: 803-821
作者:  LIU, JQ;  WANG, ZQ
收藏  |  浏览/下载：64/0  |  提交时间：2018/07/30
Z(P)-SYMMETRY  Z(P)-INDEX THEORY  SUBHARMONICS  MINIMAL PERIOD  HAMILTONIAN SYSTEMS