Schwarz Iterations for Symmetric Positive Semidefinite Problems

DOI10.1137/050644203zbMath1140.65027OpenAlexW1987074755WikidataQ115156454 ScholiaQ115156454MaRDI QIDQ5446454

Daniel B. Szyld, Reinhard Nabben

Publication date: 6 March 2008

Published in: SIAM Journal on Matrix Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/050644203

zbMATH Keywords

overlapconvergencelinear systemssingular matricesdomain decomposition methodscomparison theoremscoarse grid correctionadditive and multiplicative Schwarz methodssymmetric positive semidefinite systems

Mathematics Subject Classification ID

Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35)

Related Items (6)

On hybrid multigrid-Schwarz algorithms ⋮ Analysis of the multiplicative Schwarz method for matrices with a special block structure ⋮ On the performance of the algebraic optimized Schwarz methods with applications ⋮ On the convergence of splittings for semidefinite linear systems ⋮ On the geometric convergence of optimized Schwarz methods with applications to elliptic problems ⋮ A sharp convergence estimate for the method of subspace corrections for singular systems of equations

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