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Multiple sign-changing solutions of an elliptic eigenvalue problem 期刊论文
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS, 2005, 卷号: 12, 期号: 4, 页码: 737-746
Authors:  Qian, AX;  Li, SJ
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minimax theory  sign-changing solution  elliptic eigenvalue problems  
Existence and multiplicity of nontrivial solutions for an elliptic equation on R-N with indefinite linear part 期刊论文
MANUSCRIPTA MATHEMATICA, 2003, 卷号: 111, 期号: 2, 页码: 221-239
Authors:  Chen, JQ;  Li, SJ
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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
Authors:  Liu, ZL;  Li, SJ
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critical point  elliptic boundary value problem  jumping nonlinearity  four nontrivial solutions  contractibility of level set  
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
Authors:  Li, SJ;  Zou, WM
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critical group  resonance  Morse index