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Semi-central Bott–Duffin $(e,f)$-inverses

UDC 512.552 We study Bott–Duffin $(e,f)$-inverses in the context of left and right semi-central idempotents. A new class of generalized inverses named semi-central Bott–Duffin $(e,f)$-inverses is introduced and studied. An example is given to show that the Bott–Duffin $(e,f)$-inverses are not neces...

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Bibliographic Details
Date:	2026
Main Authors:	Fang, Li, Zhao, Liang
Format:	Article
Language:	English
Published:	Institute of Mathematics, NAS of Ukraine 2026
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/9380
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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