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MULTIPLICITY OF POSITIVE SOLUTIONS TO NONLINEAR SYSTEMS OF HAMMERSTEIN INTEGRAL EQUATIONS WITH WEIGHTED FUNCTIONS 期刊论文
COMMUNICATIONS ON PURE AND APPLIED ANALYSIS, 2020, 卷号: 19, 期号: 1, 页码: 221-240
作者:  Cheng, Xiyou;  Feng, Zhaosheng;  Zhang, Zhitao
收藏  |  浏览/下载:176/0  |  提交时间:2020/01/10
Positive solution  Hammerstein integral equations  weighted functions  fixed point index  Dirichlet boundary condition  
EXISTENCE OF POSITIVE SOLUTIONS TO SYSTEMS OF NONLINEAR INTEGRAL OR DIFFERENTIAL EQUATIONS 期刊论文
TOPOLOGICAL METHODS IN NONLINEAR ANALYSIS, 2009, 卷号: 34, 期号: 2, 页码: 267-277
作者:  Cheng, Xiyou;  Zhang, Zhitao
收藏  |  浏览/下载:107/0  |  提交时间:2018/07/30
Positive solution  Hammerstein integral equations  fixed point index  product cone  
On bifurcation, critical groups and exact multiplicity of solutions to semilinear elliptic boundary value problems 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2004, 卷号: 58, 期号: 5-6, 页码: 535-546
作者:  Zhang, ZT
收藏  |  浏览/下载:90/0  |  提交时间:2018/07/30
bifurcation  critical points  critical groups  sign-changing solutions