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Published in: BIT Numerical Mathematics 1/2021

03-08-2020

An a posteriori-based adaptive preconditioner for controlling a local algebraic error norm

Authors: A. Anciaux-Sedrakian, L. Grigori, Z. Jorti, S. Yousef

Published in: BIT Numerical Mathematics | Issue 1/2021

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Abstract

This paper introduces an adaptive preconditioner for iterative solution of sparse linear systems arising from partial differential equations with self-adjoint operators. This preconditioner allows to control the growth rate of a dominant part of the algebraic error within a fixed point iteration scheme. Several numerical results that illustrate the efficiency of this adaptive preconditioner with a PCG solver are presented and the preconditioner is also compared with a previous variant in the literature.

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Appendix
Available only for authorised users
Literature
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Metadata
Title
An a posteriori-based adaptive preconditioner for controlling a local algebraic error norm
Authors
A. Anciaux-Sedrakian
L. Grigori
Z. Jorti
S. Yousef
Publication date
03-08-2020
Publisher
Springer Netherlands
Published in
BIT Numerical Mathematics / Issue 1/2021
Print ISSN: 0006-3835
Electronic ISSN: 1572-9125
DOI
https://doi.org/10.1007/s10543-020-00822-3

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