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Infinitely many homoclinic orbits for the second-order Hamiltonian systems 期刊论文
APPLIED MATHEMATICS LETTERS, 2003, 卷号: 16, 期号: 8, 页码: 1283-1287
作者:  Zou, WM;  Li, SJ
收藏  |  浏览/下载：63/0  |  提交时间：2018/07/30
homoclinic orbits  new fountain theorem  Hamiltonian systems  
New linking theorem and elliptic systems with nonlinear boundary condition 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2003, 卷号: 52, 期号: 7, 页码: 1797-1820
作者:  Zou, WM;  Li, SJ
收藏  |  浏览/下载：106/0  |  提交时间：2018/07/30
linking  nonlinear boundary condition  elliptic systems  
Infinitely many solutions for Hamiltonian systems 期刊论文
JOURNAL OF DIFFERENTIAL EQUATIONS, 2002, 卷号: 186, 期号: 1, 页码: 141-164
作者:  Zou, WM;  Li, SJ
收藏  |  浏览/下载：67/0  |  提交时间：2018/07/30
Hamiltonian system  resonance  sign-changing potential  Betti number  Morse theory  
Solutions to semilinear elliptic problems with combined nonlinearities 期刊论文
JOURNAL OF DIFFERENTIAL EQUATIONS, 2002, 卷号: 185, 期号: 1, 页码: 200-224
作者:  Li, SJ;  Wu, SP;  Zhou, HS
收藏  |  浏览/下载：86/0  |  提交时间：2018/07/30
elliptic problem  sublinear  superlinear  asymptotically linear  Mountain Pass Theorem  
Computation of critical groups in resonance problems where the nonlinearity may not be sublinear 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2001, 卷号: 46, 期号: 6, 页码: 777-787
作者:  Li, SJ;  Perera, K
收藏  |  浏览/下载：69/0  |  提交时间：2018/07/30
asymptotically linear elliptic boundary value problems  resonance  faster than sublinear  variational methods  Morse theory  critical groups  
Mountain pass theorem in order intervals and multiple solutions for semilinear elliptic Dirichlet problems 期刊论文
JOURNAL D ANALYSE MATHEMATIQUE, 2000, 卷号: 81, 页码: 373-396
作者:  Li, SJ;  Wang, ZQ
收藏  |  浏览/下载：60/0  |  提交时间：2018/07/30