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Matching Schur Complement Approximations for Certain Saddle-Point Systems

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Original languageEnglish
Title of host publicationContemporary Computational Mathematics - A Celebration of the 80th Birthday of Ian Sloan
Number of pages15
ISBN (Print)978-3-319-72456-0
Publication statusPublished - 2018


The solution of many practical problems described by mathematical models requires approximation methods that give rise to linear(ized) systems of equations,
solving which will determine the desired approximation. This short contribution
describes a particularly effective solution approach for a certain class of socalled
saddle-point linear systems which arises in different contexts

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