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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  
Perturbations from symmetric elliptic boundary value problems 期刊论文
JOURNAL OF DIFFERENTIAL EQUATIONS, 2002, 卷号: 185, 期号: 1, 页码: 271-280
作者:  Li, SJ;  Liu, ZL
收藏  |  浏览/下载:96/0  |  提交时间:2018/07/30
perturbation  symmetry  elliptic boundary value problems  multiple solutions  
Positive solutions of elliptic boundary value problems without the (PS) type assumption 期刊论文
INDIANA UNIVERSITY MATHEMATICS JOURNAL, 2001, 卷号: 50, 期号: 3, 页码: 1347-1369
作者:  Liu, ZL;  Li, SJ;  Wang, ZQ
收藏  |  浏览/下载:74/0  |  提交时间:2018/07/30
elliptic BVP  positive solution  bifurcation diagram  variational method  descending flow