A preconditioner for three-dimensional domain decomposition methods with Lagrange multi\-pliers

zbMath1054.65123MaRDI QIDQ1433529

Jinzhao Liu, Qiya Hu, Guo-Ping Liang

Publication date: 18 June 2004

Published in: Journal of Systems Science and Complexity (Search for Journal in Brave)

zbMATH Keywords

domain decompositioncondition numberpreconditionernon-matching gridalmost optimalLangrange multiplier

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Boundary value problems for second-order elliptic equations (35J25) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Numerical computation of matrix norms, conditioning, scaling (65F35)

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