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BLOCK-SYMMETRIC AND BLOCK-LOWER-TRIANGULAR PRECONDITIONERS FOR PDE-CONSTRAINED OPTIMIZATION PROBLEMS*
Authors:Guofeng Zhang  Zhong Zheng
Institution:School of Mathematics and Statistics, Lanzhou University, Lanzhou 730000, China
Abstract:Saddle-point matrix, Preconditioning, PDE-constrained optimization, Eigen-value and eigenvector, Regularization parameter.
Keywords:Saddle-point matrix  Preconditioning  PDE-constrained optimization  Eigen-value and eigenvector  Regularization parameter  
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