Research Article

One-sided W-core inverses of rectangular matrices

Published in: Quaestiones Mathematicae
Volume 48 , issue 11 : Entrepreneurship and Africa’s Cultural Context , 2024 , pages: 1591–1607
DOI: 10.2989/16073606.2025.2536067
Author(s): Bing Dong School of Mathematics, Hefei University of Technology, China, Daihan Xu School of Mathematics, Hefei University of Technology, China, Huihui Zhu School of Mathematics, Hefei University of Technology, China,
Keywords: 15A09, W -core inverses, left W -core inverses, right W -core inverses, column space, null space,
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Abstract

The main purpose of this article is to introduce the w-core inverse (and its one-sided versions) of rectangular matrices. The relationship between the right W-core inverse and the left W-core inverse is studied. Several basic properties and characterizations on W-core inverses are presented.
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