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Existence of infinitely many periodic solutions for the radially symmetric wave equation with resonance 期刊论文
JOURNAL OF DIFFERENTIAL EQUATIONS, 2016, 卷号: 260, 期号: 7, 页码: 6017-6037
作者:  Chen, Jianyi;  Zhang, Zhitao
收藏  |  浏览/下载:97/0  |  提交时间:2018/07/30
Nonlinear wave equation  Periodic solutions  Minimax principle  
On Hamiltonian elliptic systems with periodic or non-periodic potentials 期刊论文
JOURNAL OF DIFFERENTIAL EQUATIONS, 2010, 卷号: 249, 期号: 12, 页码: 2964-2985
作者:  Zhao, Fukun;  Ding, Yanheng
收藏  |  浏览/下载:108/0  |  提交时间:2018/07/30
Hamiltonian elliptic system  Variational method  Strongly indefinite functional  Reduction