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Existence of multiple periodic solutions to asymptotically linear wave equations in a ball 期刊论文
CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2017, 卷号: 56, 期号: 3, 页码: 25
作者:  Chen, Jianyi;  Zhang, Zhitao
收藏  |  浏览/下载:88/0  |  提交时间:2018/07/30
Asymptotically linear wave equation  Multi-dimensional problem  Periodic solutions  Variational method  
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:85/0  |  提交时间:2018/07/30
Nonlinear wave equation  Periodic solutions  Minimax principle  
Existence results for some nonlinear elliptic systems 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2009, 卷号: 71, 期号: 7-8, 页码: 2840-2846
作者:  Zhang, Jihui;  Zhang, Zhitao
收藏  |  浏览/下载:82/0  |  提交时间:2018/07/30
Weak solution  Nonlinear elliptic system  Variational methods  
Sign changing solutions of Kirchhoff type problems via invariant sets of descent flow 期刊论文
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2006, 卷号: 317, 期号: 2, 页码: 456-463
作者:  Zhang, ZT;  Perera, K
收藏  |  浏览/下载:95/0  |  提交时间:2018/07/30
nonlocal problems  Kirchhoff's equation  variational methods  invariant sets of descent flow  
Nontrivial solutions of Kirchhoff-type problems via the Yang index 期刊论文
JOURNAL OF DIFFERENTIAL EQUATIONS, 2006, 卷号: 221, 期号: 1, 页码: 246-255
作者:  Perera, K;  Zhang, ZT
收藏  |  浏览/下载:102/0  |  提交时间:2018/07/30
nonlocal problems  Kirchhoff's equation  Yang index  minimax eigenvalues  variational  methods  Morse theory  critical groups  
Multiple positive solutions of singular p-Laplacian problems by variational methods 期刊论文
BOUNDARY VALUE PROBLEMS, 2005, 期号: 3, 页码: 377-382
作者:  Perera, Kanishka;  Zhang, Zhitao
收藏  |  浏览/下载:130/0  |  提交时间:2018/07/30