An efficient relaxed shift-splitting preconditioner for a class of complex symmetric indefinite linear systems

In this work, by introducing a scalar matrix αI, we transform the complex symmetric indefinite linear systems (W+iT)x=b into a block two-by-two complex equations equivalently, and propose an efficient relaxed shift-splitting (ERSS) preconditioner. By adopting the relaxation technique, the ERSS preco...

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Bibliographic Details
Main Authors: Qian Li, Qianqian Yuan, Jianhua Chen
Format: Article
Language:English
Published: AIMS Press 2022-07-01
Series:AIMS Mathematics
Subjects:
Online Access:https://www.aimspress.com/article/doi/10.3934/math.2022942?viewType=HTML