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Towards Robust Algebraic Multigrid Methods for Nonsymmetric Problems (Paperback, Softcover reprint of the original 1st ed. 2017) Loot Price: R1,883
Discovery Miles 18 830
Towards Robust Algebraic Multigrid Methods for Nonsymmetric Problems (Paperback, Softcover reprint of the original 1st ed....

Towards Robust Algebraic Multigrid Methods for Nonsymmetric Problems (Paperback, Softcover reprint of the original 1st ed. 2017)

James Lottes

Series: Springer Theses

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Loot Price R1,883 Discovery Miles 18 830 | Repayment Terms: R176 pm x 12*

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This thesis presents a rigorous, abstract analysis of multigrid methods for positive nonsymmetric problems, particularly suited to algebraic multigrid, with a completely new approach to nonsymmetry which is based on a new concept of absolute value for nonsymmetric operators. Multigrid, and in particular algebraic multigrid, has become an indispensable tool for the solution of discretizations of partial differential equations. While used in both the symmetric and nonsymmetric cases, the theory for the nonsymmetric case has lagged substantially behind that for the symmetric case. This thesis closes some of this gap, presenting a major and highly original contribution to an important problem of computational science. The new approach to nonsymmetry will be of interest to anyone working on the analysis of discretizations of nonsymmetric operators, even outside the context of multigrid. The presentation of the convergence theory may interest even those only concerned with the symmetric case, as it sheds some new light on and extends existing results.

General

Imprint: Springer International Publishing AG
Country of origin: Switzerland
Series: Springer Theses
Release date: July 2018
First published: 2017
Authors: James Lottes
Dimensions: 235 x 155 x 8mm (L x W x T)
Format: Paperback
Pages: 131
Edition: Softcover reprint of the original 1st ed. 2017
ISBN-13: 978-3-319-85881-4
Categories: Books > Science & Mathematics > Mathematics > Numerical analysis
Books > Science & Mathematics > Mathematics > Calculus & mathematical analysis > Functional analysis
Books > Science & Mathematics > Mathematics > Calculus & mathematical analysis > Differential equations
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LSN: 3-319-85881-5
Barcode: 9783319858814

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