English
Related papers

Related papers: The W-weighted m-weak group MP inverse and its app…

200 papers

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 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 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

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

Since the day the core inverse has been known in a paper of Bakasarly and Trenkler, it has been widely researched. So far, there are four generalizations of this inverse for the case of matrices of an arbitrary index, namely, the BT…

Rings and Algebras · Mathematics 2023-01-24 D. E. Ferreyra , Saroj B. Malik

Recently, the weak Drazin inverse and its characterization have been crucial studies for matrices of index k. In this article, we have revisited W-weighted DMP and MPD inverses and constructed a general class of unique solutions to certain…

Rings and Algebras · Mathematics 2026-01-01 Rajesh Senapati , Ashish Kumar Nandi

We present the weighted weak group inverse, which is a new generalized inverse of operators between two Hilbert spaces, introduced to extend weak group inverse for square matrices. Some characterizations and representations of the weighted…

Functional Analysis · Mathematics 2019-03-05 Dijana Mosic , Daochang Zhang

This paper first introduces a new generalized inverse in Minkowski space, called the m-DMP inverse, and discusses its algebraic and geometrical properties. The second objective is to characterize the m-DMP inverse equivalently by ranges,…

Optimization and Control · Mathematics 2023-03-27 Jiale Gao , Qingwen Wang , Kezheng Zuo

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 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 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

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 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 a unitary ring with involution, we prove that each element has at most one weak group inverse if and only if each idempotent element has a unique weak group inverse. Furthermore, we define the $m$-weak group inverse and show some…

Rings and Algebras · Mathematics 2020-08-03 Yukun Zhou , Jianlong Chen , Mengmeng Zhou

In this paper, we introduce the concept of the m-generalized right group inverse. This serves as a natural extension of both the m-weak group inverse and the generalized group inverse. We characterize this new generalized inverse using the…

Rings and Algebras · Mathematics 2025-07-16 Huanyin Chen , Marjan Sheibani

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 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 dual Drazin inverse is an important dual generalized inverse. In this paper, to extend it we introduce the weak dual Drazin inverse which is unique and exists for any square dual matrix. When the dual Drazin inverse exists, it coincides…

Rings and Algebras · Mathematics 2024-11-12 Hongxing Wang , Qiuli Ling , Tianhe Jiang , Shuangzhe Liu

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

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
‹ Prev 1 2 3 10 Next ›