Title

Lower Bounds in Domain Decomposition

Document Type

Article

Publication Date

1-1-2007

Abstract

An important indicator of the efficiency of a domain decomposition preconditioner is the condition number of the preconditioned system. Upper bounds for the condition numbers of the preconditioned systems have been the focus of most analyses in domain decomposition [21, 20, 23]. However, in order to have a fair comparison of two preconditioners, the sharpness of the respective upper bounds must first be established, which means that we need to derive lower bounds for the condition numbers of the preconditioned systems.

Publication Source (Journal or Book title)

Lecture Notes in Computational Science and Engineering

First Page

27

Last Page

39

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