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Block-Diagonal and Constraint Preconditioners for Nonsymmetric Indefinite Linear Systems. Part I: Theory

✍ Scribed by de Sturler, Eric; Liesen, Jörg

Book ID
118191292
Publisher
Society for Industrial and Applied Mathematics
Year
2005
Tongue
English
Weight
589 KB
Volume
26
Category
Article
ISSN
1064-8275

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✍ I. Perugia; V. Simoncini 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 223 KB 👁 1 views

We are interested in the numerical solution of large structured indefinite symmetric linear systems arising in mixed finite element approximations of the magnetostatic problem; in particular, we analyse definite block-diagonal and indefinite symmetric preconditioners. Relating the algebraic characte