English
Related papers

Related papers: Further results on weighted core-EP inverse of mat…

200 papers

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

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

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

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

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

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…

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 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

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

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

We characterize the generalized weighted core-EP inverse via the canonical decomposition, utilizing a weighted core-EP invertible element and a quasinilpotent. We then offer a polar-like characterization for the generalized weighted core-EP…

Functional Analysis · Mathematics 2025-07-11 Huanyin Chen , Marjan Sheibani

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

In this paper, by using the core EP inverse and the Drazin inverse which are two well known generalized inverses, a new class of matrices entitled core EP Drazin matrices (shortly, CEPD matrices) is introduced. This class contains the set…

Numerical Analysis · Mathematics 2025-01-14 Gholamreza Aghamollaei , Mahdiyeh Mortezaei , Dijana Mosic , 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

In this paper, various properties of core-EP matrices are investigated. We introduce the MPDMP matrix associated with $A$ and by means of it, some properties and equivalent conditions of core-EP matrices can be obtained. Also, properties of…

Numerical Analysis · Mathematics 2024-07-09 Ehsan Kheirandish , Abbas Salemi , Néstor Thome

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

In this paper we extend notions of the core inverse, core EP inverse, DMP inverse, and CMP inverse over the quaternion skew-field ${\mathbb{H}}$ and get their determinantal representations within the framework of the theory of column-row…

Rings and Algebras · Mathematics 2019-03-26 Ivan I. Kyrchei

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

In this paper, we extend notions of the weighted core-EP right and left inverses, the weighted DMP and MPD inverses, and the CMP inverse to matrices over the quaternion skew field H that have some features in comparison to these inverses…

Rings and Algebras · Mathematics 2020-04-29 Ivan I. Kyrchei

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
‹ Prev 1 2 3 10 Next ›