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math.NA2012
A One-level Additive Schwarz Preconditioner for a Discontinuous Petrov-Galerkin Method
Andrew T. Barker, Susanne C. Brenner, Eun-Hee Park +1
Discontinuous Petrov-Galerkin (DPG) methods are new discontinuous Galerkin methods with interesting properties. In this article we consider a domain decomposition preconditioner fo…
math.NA2012★ 1 cited
A Combined Preconditioning Strategy for Nonsymmetric Systems
Blanca Ayuso de Dios, Andrew T. Barker, Panayot S. Vassilevski
We present and analyze a class of nonsymmetric preconditioners within a normal (weighted least-squares) matrix form for use in GMRES to solve nonsymmetric matrix problems that typi…