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Multiple solutions and sign-changing solutions of a class of nonlinear elliptic equations with Neumann boundary condition 期刊论文
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2004, 卷号: 298, 期号: 1, 页码: 14-32
作者:  Li, C;  Li, SJ
收藏  |  浏览/下载：90/0  |  提交时间：2018/07/30
multiple solutions and sign-changing solutions  critical group  Neumann boundary value problem  Morse theory  
Critical groups at infinity, saddle point reduction and elliptic resonant problems 期刊论文
COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2003, 卷号: 5, 期号: 5, 页码: 761-773
作者:  Liu, SB;  Li, SJ
收藏  |  浏览/下载：92/0  |  提交时间：2018/07/30
morse inequality  critical group  Lyapunov-Schmidt reduction  elliptic resonant problem  
Existence of solutions to a superlinear p-Laplacian equation 期刊论文
ELECTRONIC JOURNAL OF DIFFERENTIAL EQUATIONS, 2001, 页码: 6
作者:  Liu, Shibo
收藏  |  浏览/下载：68/0  |  提交时间：2018/07/30
p-Laplacian  critical group  
The computations of the critical groups with an application to elliptic resonant problems at a higher eigenvalue 期刊论文
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 1999, 卷号: 235, 期号: 1, 页码: 237-259
作者:  Li, SJ;  Zou, WM
收藏  |  浏览/下载：74/0  |  提交时间：2018/07/30
critical group  resonance  Morse index  
Some minimax theorems on finding nontrivial critical points and their applications 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 1997, 卷号: 30, 期号: 7, 页码: 4135-4144
作者:  Li, SJ
收藏  |  浏览/下载：104/0  |  提交时间：2018/07/30
critical point  critical group  local linking  (PS) condition  resonance problem  elliptic boundary value problem  Hamiltonian system  wave equation