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A family of modified regularizingcirculant preconditioners for two-levels Toeplitz systems

✍ Scribed by D.A. Bini; P. Favati; O. Menchi

Book ID
108076892
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
999 KB
Volume
48
Category
Article
ISSN
0898-1221

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πŸ“œ SIMILAR VOLUMES

Two-level preconditioner via a rigid bod
Two-level preconditioner via a rigid body-based aggregation for the Schur complement system
✍ Jin Hwan Ko; Jaesung Eom πŸ“‚ Article πŸ“… 2010 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 158 KB πŸ‘ 1 views

## Abstract Most aggregation multigrid (MG) methods employ rigid body modes in constructing the prolongators and are famous for fast convergence with good efficiency. However, it is nontrivial to extend these methods to the Schur complement (SC) system, which is a partitioned and condensed system,