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Towards Robust Algebraic Multigrid Methods for Nonsymmetric Problems
Taschenbuch von James Lottes
Sprache: Englisch

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Beschreibung
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.
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.
Inhaltsverzeichnis
Introduction.- Theoretical Foundations.- Form Absolute Value.- Convergence Theory.- Application to a New AMG Method.- Conclusions.
Details
Erscheinungsjahr: 2018
Fachbereich: Wahrscheinlichkeitstheorie
Genre: Mathematik
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
Inhalt: x
131 S.
6 s/w Illustr.
15 farbige Illustr.
131 p. 21 illus.
15 illus. in color.
ISBN-13: 9783319858814
ISBN-10: 3319858815
Sprache: Englisch
Herstellernummer: 978-3-319-85881-4
Ausstattung / Beilage: Previously published in hardcover
Autor: Lottes, James
Auflage: Softcover reprint of the original 1st ed. 2017
Hersteller: Springer
Springer, Berlin
Springer International Publishing
Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, D-69121 Heidelberg, juergen.hartmann@springer.com
Abbildungen: X, 131 p. 21 illus., 15 illus. in color.
Maße: 8 x 155 x 235 mm
Von/Mit: James Lottes
Erscheinungsdatum: 25.07.2018
Gewicht: 0,23 kg
Artikel-ID: 114239047
Inhaltsverzeichnis
Introduction.- Theoretical Foundations.- Form Absolute Value.- Convergence Theory.- Application to a New AMG Method.- Conclusions.
Details
Erscheinungsjahr: 2018
Fachbereich: Wahrscheinlichkeitstheorie
Genre: Mathematik
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
Inhalt: x
131 S.
6 s/w Illustr.
15 farbige Illustr.
131 p. 21 illus.
15 illus. in color.
ISBN-13: 9783319858814
ISBN-10: 3319858815
Sprache: Englisch
Herstellernummer: 978-3-319-85881-4
Ausstattung / Beilage: Previously published in hardcover
Autor: Lottes, James
Auflage: Softcover reprint of the original 1st ed. 2017
Hersteller: Springer
Springer, Berlin
Springer International Publishing
Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, D-69121 Heidelberg, juergen.hartmann@springer.com
Abbildungen: X, 131 p. 21 illus., 15 illus. in color.
Maße: 8 x 155 x 235 mm
Von/Mit: James Lottes
Erscheinungsdatum: 25.07.2018
Gewicht: 0,23 kg
Artikel-ID: 114239047
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