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Related papers: The m-core-EP inverse in Minkowski space

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In this paper, we introduce the notion of the core-EP decomposition and some of its properties. By using the decomposition, we derive several characterizations of the core-EP inverse, introduce a pre-order(i.e. the core-EP order) and a…

Rings and Algebras · Mathematics 2017-05-01 Hongxing Wang

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 work, we introduce a new type of generalized inverse called dual core-EP generalized inverse (in short DCEPGI) for dual square matrices. We analyze the existence and uniqueness of the DCEPGI inverse and its compact formula using…

Numerical Analysis · Mathematics 2025-02-10 Bibekananda Sitha , Jajati Keshari Sahoo , Nestor Thome

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

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

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

In this paper, firstly we study the continuity of the core-EP inverse without explicit error bounds by virtue of two methods. One is the rank equality, followed from the classical generalized inverse. The other one is matrix decomposition.…

Rings and Algebras · Mathematics 2018-07-02 Yuefeng Gao , Jianlong Chen , Pedro Patricio

This paper is aimed to identify some new characterizations and representations of the Minkowski inverse in Minkowski space. First of all, a few representations of {1,3m}, {1,2,3m}, {1,4m} and {1,2,4m}-inverses are given in order to…

Functional Analysis · Mathematics 2023-03-27 Jiale Gao , Qingwen Wang , Kezheng Zuo , Jiabao Wu

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

We present a necessary and sufficient conditions under which the sum of two EP elements in a *-ring has core inverse. As an application, we establish the conditions under which a block complex matrix with EP sub-blocks has core inverse.

Rings and Algebras · Mathematics 2023-06-19 Huanyin Chen , Marjan Sheibani Abdolyousefi

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

In this paper, we investigate the weighted core-EP inverse introduced by Ferreyra, Levis and Thome. Several computational representations of the weighted core-EP inverse are obtained in terms of singular-value decomposition, full-rank…

Rings and Algebras · Mathematics 2019-05-22 Yuefeng Gao , Jianlong Chen , Pedro Patricio

Let $R$ be a ring with involution. The recently introduced notions of the core and dual core inverse are extended from matrix to an arbitrary $*$-ring case. It is shown that the group, Moore-Penrose, core and dual core inverse are closely…

Rings and Algebras · Mathematics 2014-04-01 Dragan S. Rakić , Nebojša Č. Dinčić , Dragan S. Djordjević

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…

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 present three limit representations of the core-EP inverse. The first approach is based on the full-rank decomposition of a given matrix. The second and third approaches, which depend on the explicit expression of the…

Rings and Algebras · Mathematics 2018-04-17 Mengmeng Zhou , Jianlong Chen , Tingting Li , Dingguo Wang

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

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
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