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Existence and multiplicity of solutions for a non-periodic Schrodinger equation 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2008, 卷号: 69, 期号: 11, 页码: 3671-3678
作者:  Zhao, Fukun;  Zhao, Leiga;  Ding, Yanheng
收藏  |  浏览/下载:77/0  |  提交时间:2018/07/30
Nonlinear Schrodinger equations  Variational methods  Asymptotically linear nonlinearities  Strongly indefinite functionals  
Multiple positive solutions of strongly indefinite systems with critical Sobolev exponents and data that change sign 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2004, 卷号: 58, 期号: 1-2, 页码: 229-243
作者:  Han, PG;  Liu, ZX
收藏  |  浏览/下载:96/0  |  提交时间:2018/07/30
Hamiltonian system  Sobolev exponent  positive solution  existence  uniqueness  
Morse theory for strongly indefinite functional 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2002, 卷号: 48, 期号: 6, 页码: 831-851
作者:  Guo, YX;  Liu, JQ
收藏  |  浏览/下载:93/0  |  提交时间:2018/07/30
Morse theory  indefinite functional  critical groups  Morse inequalities  dynamically isolated set  
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:98/0  |  提交时间:2018/07/30
generalized membrane equation  forced oscillations  perturbation from symmetry  strongly indefinite functionals  weak Palais-Smale condition