A preconditioned iterative method for saddlepoint problems
SIAM Journal on Matrix Analysis and Applications
Nonlinear total variation based noise removal algorithms
Proceedings of the eleventh annual international conference of the Center for Nonlinear Studies on Experimental mathematics : computational issues in nonlinear science: computational issues in nonlinear science
Fast iterative solution of stabilised Stokes systems, part I: using simple diagonal preconditioners
SIAM Journal on Numerical Analysis
Fast iterative solution of stabilised Stokes systems part II: using general block preconditioners
SIAM Journal on Numerical Analysis
Eigenmodes of Isospectral Drums
SIAM Review
A Nonlinear Primal-Dual Method for Total Variation-Based Image Restoration
SIAM Journal on Scientific Computing
A Preconditioner for Generalized Saddle Point Problems
SIAM Journal on Matrix Analysis and Applications
On Inexact Preconditioners for Nonsymmetric Matrices
SIAM Journal on Scientific Computing
Block preconditioning for saddle point systems with indefinite (1, 1) block
International Journal of Computer Mathematics - Fast Iterative and Preconditioning Methods for Linear and Non-Linear Systems
Constraint Preconditioners for Symmetric Indefinite Matrices
SIAM Journal on Matrix Analysis and Applications
Spectral Analysis of Saddle Point Matrices with Indefinite Leading Blocks
SIAM Journal on Matrix Analysis and Applications
Applied Numerical Mathematics
On generalized parameterized inexact Uzawa method for a block two-by-two linear system
Journal of Computational and Applied Mathematics
| Hi-index | 7.29 |
We study the eigenvalue bounds for the nonsingular saddle point matrices of Hermitian and indefinite (1,1) and (2,2) blocks without imposing the restrictions that the (1,1) blocks are positive definite on the kernels of the (2,1) blocks.