Core invertibility of triangular matrices over a ring

Sanzhang Xu ()
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Sanzhang Xu: Huaiyin Institute of Technology

Indian Journal of Pure and Applied Mathematics, 2019, vol. 50, issue 4, 837-847

Abstract: Abstract We obtained several equivalent conditions for the existence of core inverses and dual core inverses of triangular matrices over a ring with involution. As applications, some necessary and sufficient conditions for the (2,2,0) core inverse problem are given.

Keywords: Core inverse; dual core inverse; group inverse; ring; triangular matrix (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1007/s13226-019-0357-0

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