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Smoothing‐Norm Preconditioning for Regularizing Minimum‐Residual Methods

✍ Scribed by Hansen, Per Christian; Jensen, Toke Koldborg


Book ID
118216900
Publisher
Society for Industrial and Applied Mathematics
Year
2007
Tongue
English
Weight
286 KB
Volume
29
Category
Article
ISSN
0895-4798

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Optimal left and right additive Schwarz
✍ Marcus Sarkis; Daniel B. Szyld 📂 Article 📅 2007 🏛 Elsevier Science 🌐 English ⚖ 303 KB

For the solution of non-symmetric or indefinite linear systems arising from discretizations of elliptic problems, two-level additive Schwarz preconditioners are known to be optimal in the sense that convergence bounds for the preconditioned problem are independent of the mesh and the number of subdo