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Contractibility of level sets of functionals associated with some elliptic boundary value problems and applications 期刊论文
NODEA-NONLINEAR DIFFERENTIAL EQUATIONS AND APPLICATIONS, 2003, 卷号: 10, 期号: 2, 页码: 133-170
作者:  Liu, ZL;  Li, SJ
收藏  |  浏览/下载:111/0  |  提交时间:2018/07/30
critical point  elliptic boundary value problem  jumping nonlinearity  four nontrivial solutions  contractibility of level set  
On multiple solutions of a singular quasilinear equation on unbounded domain 期刊论文
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2002, 卷号: 275, 期号: 2, 页码: 733-746
作者:  Chen, JQ;  Li, SJ
收藏  |  浏览/下载:72/0  |  提交时间:2018/07/30
critical point theory  quasilinear equation  p-Laplacian  multiple solutions  
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