Approximation of integral operators by variable-order interpolation
type: Item
instance of: scholarly article
title: Approximation of integral operators by variable-order interpolation
zbMATH Open document ID: 1076.65121
author: Steffen Börm
author: Maike Löhndorf
author: Jens Marcus Melenk
published in: Numerische Mathematik
publication date: 2005-04-14T00:00:00Z
review text: The authors investigate for a class of data-sparse recursive matrix representations of discretized integral operators (1) optimal linear complexity of the scheme, (2) an error analysis for integral operators of order zero, and (3) the optimal convergence which is retained for the classical double layer potential discretized with piecewise constant finite element functions.
Mathematics Subject Classification ID: 65R20
Mathematics Subject Classification ID: 45P05
zbMATH DE Number: 2155988
zbMATH Keywords: integral operator
zbMATH Keywords: kernel function
zbMATH Keywords: Chebyshev interpolation
zbMATH Keywords: optimal-order convergence
zbMATH Keywords: error analysis
zbMATH Keywords: linear complexity
zbMATH Keywords: double layer potential
zbMATH Keywords: finite element
reviewed by: Chuangan Hu
MaRDI profile type: Publication
full work available at URL: s00211-004-0564-3
OpenAlex ID: W2042112576
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DOI: 10.1007/S00211-004-0564-3
description: scientific article; zbMATH DE number 2155988