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Block triangular preconditioners for nonsymmetric saddle point problems: field-of-values analysis

โœ Scribed by Axel Klawonn; Gerhard Starke


Publisher
Springer-Verlag
Year
1999
Tongue
English
Weight
134 KB
Volume
81
Category
Article
ISSN
0029-599X

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A comparison of overlapping Schwarz meth
โœ Axel Klawonn; Luca F. Pavarino ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 230 KB

Three domain decomposition methods for saddle point problems are introduced and compared. The first two are blockdiagonal and block-triangular preconditioners with diagonal blocks approximated by an overlapping Schwarz technique with positive definite local and coarse problems. The third is an overl