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Parallel preconditioners for solutions of dense linear systems with tens of millions of unknowns
(2007-11)
We propose novel parallel preconditioning schemes for the iterative solution of integral equation methods. In particular, we try to improve convergence rate of the ill-conditioned linear systems formulated by the electric-field ...
Effective preconditioners for large integral-equation problems
(IET, 2007-11)
We consider effective preconditioning schemes for the iterative solution of integral-equation methods. For parallel implementations, the sparse approximate inverse or the iterative solution of the near-field system enables ...