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Generalized linking theorem with applications to nonautonomous Hamiltonian systems and Dirac equations on compact spin manifold 期刊论文
COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2021, 卷号: 23, 期号: 06, 页码: 25
作者:  Liu, Yanyan;  Li, Chong;  Li, Shujie
收藏  |  浏览/下载：169/0  |  提交时间：2021/10/26
Strongly indefinite superlinear problem  prescribed number of nontrivial solutions  nonautonomous Hamiltonian systems  Dirac equations on compact spin manifold  
CONSTRAINT PRECONDITIONERS FOR SYMMETRIC INDEFINITE MATRICES 期刊论文
SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2009, 卷号: 31, 期号: 2, 页码: 410-433
作者:  Bai, Zhong-Zhi;  Ng, Michael K.;  Wang, Zeng-Qi
收藏  |  浏览/下载：130/0  |  提交时间：2018/07/30
symmetric indefinite systems  constraint preconditioners  
STRONGLY INDEFINITE FUNCTIONALS WITH PERTURBED SYMMETRIES AND MULTIPLE SOLUTIONS OF NONSYMMETRIC ELLIPTIC SYSTEMS 期刊论文
ELECTRONIC JOURNAL OF DIFFERENTIAL EQUATIONS, 2004, 页码: 18
作者:  Clapp, Monica;  Ding, Yanheng;  Hernandez-Linares, Sergio
收藏  |  浏览/下载：209/0  |  提交时间：2018/07/30
Critical point theory  perturbation of symmetries  elliptic systems  strongly indefinite functionals  multiple solutions  critical Sobolev exponent  
An iterative method with variable relaxation parameters for saddle-point problems 期刊论文
SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2001, 卷号: 23, 期号: 2, 页码: 317-338
作者:  Hu, QY;  Zou, J
收藏  |  浏览/下载：136/0  |  提交时间：2018/07/30
saddle-point  inexact Uzawa method  indefinite systems  preconditioning