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Block {ω}-circulant preconditioners¶for the systems of differential equations

✍ Scribed by Daniele Bertaccini; Michael K. Ng

Publisher: Springer Milan
Year: 2003
Tongue: English
Weight: 275 KB
Volume: 40
Category: Article
ISSN: 0008-0624
DOI: 10.1007/s100920300004

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## Abstract This paper describes a preconditioner for the iterative solution to the indefinite linear equation system that is obtained when the vector wave equation is discretized by higher‐order **H**(curl)‐conforming finite elements. The preconditioner is based on a decomposition of the **H**(cur