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Related papers: The $m$-weak core inverse

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Recently, Malik and Ferreyra introduced the $m$-weak core inverse for complex square matrices which generalizes the core-EP inverse, the WC inverse, and therefore the core inverse. The main aim of this paper is to extend the concept of…

Rings and Algebras · Mathematics 2024-03-22 D. E. Ferreyra , D. Mosic

In this paper, we introduce two new generalized inverses of matrices, namely, the $\bra{i}{m}$-core inverse and the $\pare{j}{m}$-core inverse. The $\bra{i}{m}$-core inverse of a complex matrix extends the notions of the core inverse…

Rings and Algebras · Mathematics 2017-09-15 Sanzhang Xu , Jianlong Chen , Julio Benítez , Dingguo Wang

In this paper, we introduce a new matrix decomposition called the m-Core-nilpotent decomposition which is an extension of the Core-nilpotent decomposition. By this new decomposition, we propose a new generalized inverse named the m-weak…

Rings and Algebras · Mathematics 2024-11-04 Wanlin Jiang , Jiale Gao , Xiangyu Zhang , Shengxi Zuo

The m-weak group inverse was recently studied in the literature. The purpose of this paper is to investigate new properties of this generalized inverse for ring elements. We introduce the m-weak group decomposition for a ring element and…

Rings and Algebras · Mathematics 2024-06-25 Huanyin Chen

We extend the concept of the m-weak group MP inverse of a square matrix to a rectangular matrix, called the W-weighted m-weak group MP inverse, which also unifies the W-weighted weak core inverse and W-weighted DMP inverse. Some properties,…

Functional Analysis · Mathematics 2024-11-05 Jiale Gao , Kezheng Zuo , Qing-Wen Wang

In this paper, we introduce the notion of weak core and central weak core inverse in a {\it proper $*$-ring}. We further elaborate on these two classes by producing a few representations and characterizations of the weak core and central…

Rings and Algebras · Mathematics 2023-08-25 Jajati Keshari Sahoo , Ratikanta Behera , Sourav Das , R. N. Mohapatra , Sunil Kumar Prajapati

The main objective of this paper is to introduce unique representations and characterizations for the weighted core inverse of matrices. We also investigate various properties of these inverses and their relationships with other generalized…

Numerical Analysis · Mathematics 2023-12-15 Bibekananda Sitha , Ratikanta Behera , Jajati Keshari Sahoo , R. N. Mohapatra , Predrag Stanimirovic

In this paper, we introduce a weak group inverse (called the WG inverse in the present paper) for square matrices of an arbitrary index, and give some of its characterizations and properties. Furthermore, we introduce two orders: one is a…

Rings and Algebras · Mathematics 2017-04-28 Hongxing Wang , Jianlong Chen

The core-EP and BT inverses for rectangular matrices were studied recently in the literature. The main aim of this paper is to unify both concepts by means of a new kind of generalized inverse called $W$-weighted $q$-BT inverse. We analyze…

Rings and Algebras · Mathematics 2024-03-22 D. E. Ferreyra , N. Thome , C. Torigino

In this paper, we introduce new representation and characterization of the weighted core inverse of matrices. Several properties of these inverses and their interconnections with other generalized inverses are also explored. Through…

Numerical Analysis · Mathematics 2023-09-27 Ratikanta Behera , Jajati Keshari Sahoo , Ram N. Mohapatra

Let $R$ be a ring with involution. In this paper, we introduce a new type of generalized inverse called pseudo core inverse in $R$. The notion of core inverse was introduced by Baksalary and Trenkler for matrices of index 1 in 2010 and then…

Rings and Algebras · Mathematics 2017-04-12 Yuefeng Gao , Jianlong Chen

In 2025, Mosi\'{c} defined the weak CMP inverse utilizing a minimal rank weak Drazin inverse instead of the Drazin inverse. The weak CMP inverse is a new wider class of generalized inverses, of which the CMP and MPCEP inverse are particular…

Rings and Algebras · Mathematics 2025-09-11 Shuxian Xu , Jianlong Chen

In this paper we introduce the generalized inverse of complex square matrix with respect to other matrix having same size. Some of its representations, properties and characterizations are obtained. Also some new representation matrices of…

Rings and Algebras · Mathematics 2025-01-22 Abdessalam Kara , Néstor Thome , Dragan S. Djordjevi'c

In this paper, we introduce the notation of $E$-weighted core-EP and $F$-weighted dual core-EP inverse of matrices. We then obtain a few explicit expressions for the weighted core-EP inverse of matrices through other generalized inverses.…

Numerical Analysis · Mathematics 2021-09-21 Ratikanta Behera , Gayatri Maharana , Jajati Keshari Sahoo

A new generalized inverse for a square matrix $H\in\mathbb{C}^{n\times n}$, called CCE-inverse, is established by the core-EP decomposition and Moore-Penrose inverse $H^{\dag}$. We propose some characterizations of the CCE-inverse.…

Rings and Algebras · Mathematics 2020-07-07 Kezheng Zuo , Yu Li , Gaojun Luo

The core inverse for a complex matrix was introduced by Baksalary and Trenkler. Raki\'c, Din\v{c}i\'c and Djordjevi\'c generalized the core inverse of a complex matrix to the case of an element in a ring. They also proved that the core…

Rings and Algebras · Mathematics 2015-12-29 Sanzhang Xu , Jianlong Chen , Xiaoxiang Zhang

In this paper, we introduce the notion of a (generalized) right core inverse and give its characterizations and expressions. Then, we provide the relation schema of (one-sided) core inverses, (one-sided) pseudo core inverses and EP…

Rings and Algebras · Mathematics 2018-04-04 Long Wang , Dijana Mosic , Yuefeng Gao

We study generalized inverses for matrices associated with double star digraphs. Explicit block formulas and existence criteria are obtained for core, dual core, core EP, and dual core EP inverses, expressed in terms of explicit algebraic…

Rings and Algebras · Mathematics 2026-03-17 Faustino Maciala , C. Mendes Araújo , Pedro Patrício

Specific definitions of the core and core-EP inverses of complex tensors are introduced. Some characterizations, representations and properties of the core and core-EP inverses are investigated. The results are verified using specific…

The purpose of this paper is to explore more properties and representations of the W-weighted m-weak group (in short, W-m-WG) inverse. We first explore an interesting relation between two projectors with respect to the W-m-WG inverse. Then,…

Rings and Algebras · Mathematics 2025-03-14 Jiale Gao , Qing-Wen Wang , Kezheng Zuo
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