Multigrid preconditioning in \(H(\text{div})\) on non-convex polygons
type: Item
instance of: scholarly article
title: Multigrid preconditioning in \(H(\text{div})\) on non-convex polygons
zbMATH Open document ID: 0922.65078
published in: Computational and Applied Mathematics
publication date: 1999-05-18T00:00:00Z
review text: A multigrid preconditioner for the finite element discretization of the operator I-grad(div) is presented. The procedure is analyzed without the assumption that the domain is convex. It is shown that the preconditioner is spectrally equivalent to the inverse of the discrete operator.
reviewed by: Wilhelm Heinrichs
Mathematics Subject Classification ID: 65N55
Mathematics Subject Classification ID: 35J25
Mathematics Subject Classification ID: 65F35
Mathematics Subject Classification ID: 65N30
Mathematics Subject Classification ID: 65F10
zbMATH DE Number: 1281838
zbMATH Keywords: multigrid preconditioning
zbMATH Keywords: finite element
zbMATH Keywords: non-convex polygons
author: Douglas N. Arnold
author: Richard S. Falk
author: Ragnar Winther
MaRDI profile type: Publication
description: scientific article; zbMATH DE number 1281838