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Minimax-Optimal Two-Parameter and Matrix-Weighted Block-Splitting Preconditioners for Indefinite Least Squares

Crossref DOI link: https://doi.org/10.1007/s40819-025-02081-8

Published Online: 2026-01-05

Published Print: 2026-02

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Hashemi Sababe, Saeed https://orcid.org/0000-0003-1167-5006
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Text and Data Mining valid from 2026-01-05

Version of Record valid from 2026-01-05
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Article History

Received: 30 August 2025

Accepted: 17 December 2025

First Online: 5 January 2026

Declarations

:

: The authors declare no Conflict of interest.