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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  
Foliated Schwarz symmetry for the nodal solution at the second minimax level 期刊论文
ANNALI DI MATEMATICA PURA ED APPLICATA, 2018, 卷号: 197, 期号: 6, 页码: 1875-1883
作者:  Li, Kui;  Zhang, Zhitao
收藏  |  浏览/下载:159/0  |  提交时间:2018/11/16
Second minimax level  Nodal solution  Foliated Schwarz symmetry  Maximum principle  
ON A POWER-TYPE COUPLED SYSTEM OF MONGE-AMPERE EQUATIONS 期刊论文
TOPOLOGICAL METHODS IN NONLINEAR ANALYSIS, 2015, 卷号: 46, 期号: 2, 页码: 717-729
作者:  Zhang, Zhitao;  Qi, Zexin
收藏  |  浏览/下载:108/0  |  提交时间:2018/07/30
System of Monge-Ampere equations  cone  fixed point index  generalized Krein-Rutman theorem  
Existence of positive solutions for a general nonlinear eigenvalue problem 期刊论文
ACTA MATHEMATICAE APPLICATAE SINICA-ENGLISH SERIES, 2011, 卷号: 27, 期号: 3, 页码: 367-372
作者:  Cheng, Xi-you;  Zhang, Zhi-tao
收藏  |  浏览/下载:87/0  |  提交时间:2018/07/30
unbounded linear operator  fixed point index  positive solution