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In this paper, we first give an expression for the Moore-Penrose inverse of the product of two tensors via the Einstein product. We then introduce a new generalized inverse of a tensor called product Moore-Penrose inverse. A necessary and…

Rings and Algebras · Mathematics 2025-08-07 Krushnachandra Panigrahy , Debasisha Mishra

Reverse order law for the Moore-Penrose inverses of tensors are useful in the field of multilinear algebra. In this paper, we first prove some more identities involving the Moore-Penrose inverse of tensors. We then obtain a few necessary…

Rings and Algebras · Mathematics 2025-08-07 Krushnachandra Panigrahy , Ratikanta Behera , Debasisha Mishra

In this paper, we provide a few properties of the weighted Moore--Penrose inverse for an arbitrary order tensor via the Einstein product. We again obtain some new sufficient conditions for the reverse-order law of the weighted…

Rings and Algebras · Mathematics 2025-08-08 Krushnachandra Panigrahy , Debasisha Mishra

The notion of the core inverse of tensors with the Einstein product was introduced, very recently. This paper we establish some sufficient and necessary conditions for reverse-order law of this inverse. Further, we present new results…

Numerical Analysis · Mathematics 2019-07-23 Jajati Kesahri Sahoo , Ratikanta Behera

This paper studies the issues about the generalized inverses of tensors under the C-Product. The aim of this paper is threefold. Firstly, this paper present the definition of the Moore-Penrose inverse, Drazin inverse of tensors under the…

Rings and Algebras · Mathematics 2024-12-12 Hongwei Jin , Shumin Xu , Hongjie Jiang , Xiaoji Liu

Generalized inverses of tensors play increasingly important roles in computational mathematics and numerical analysis. It is appropriate to develop the theory of generalized inverses of tensors within the algebraic structure of a ring. In…

Rings and Algebras · Mathematics 2021-09-24 Ratikanta Behera , Jajati Keshari Sahoo , R. N. Mohapatra , M. Zuhair Nashed

The notion of the Drazin inverse of an even-order tensor with the Einstein product was introduced, very recently [J. Ji and Y. Wei. Comput. Math. Appl., 75(9), (2018), pp. 3402-3413]. In this article, we further elaborate this theory by…

Numerical Analysis · Mathematics 2021-03-09 Ratikanta Behera , Ashish Kumar Nandi , Jajati Keshari Sahoo

Within the field of multilinear algebra, inverses and generalized inverses of tensors based on the Einstein product have been investigated over the past few years. In this paper, we explore the singular value decomposition and full-rank…

Numerical Analysis · Mathematics 2021-03-09 Ratikanta Behera , Sandip Maji , R. N. Mohapatra

In this article, specific definitions of the Moore-Penrose inverse, Drazin inverse of the quaternion tensor and the inverse along two quaternion tensors are introduced under the T-product. Some characterizations, representations and…

Rings and Algebras · Mathematics 2022-11-08 Hongwei Jin , Peifeng Zhou , Hongjie Jiang , Xiaoji Liu

The equality $(\mc{A}\n\mc{B})^\dagger = \mc{B}^\dagger \n \mc{A}^\dagger$ for any two complex tensors $\mc{A}$ and $\mc{B}$ of arbitrary order, is called as the {\it reverse-order law} for the Moore-Penrose inverse of arbitrary order…

Rings and Algebras · Mathematics 2025-08-04 Krushnachandra Panigrahy , Debasisha Mishra

Applications of the theory and computations of boolean matrices are of fundamental importance to study a variety of discrete structural models. But the increasing ability of data collection systems to store huge volumes of multidimensional…

Numerical Analysis · Mathematics 2021-03-09 Ratikanta Behera , Jajati Keshari Sahoo

This paper introduces notions of the Drazin and the core-EP inverses on tensors via M-product. We propose a few properties of the Drazin and core-EP inverses of tensors, as well as effective tensor-based algorithms for calculating these…

Numerical Analysis · Mathematics 2024-08-27 Jajati Keshari Sahoo , Saroja Kumar Panda , Ratikanta Behera , Predrag S. Stanimirović

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

Tensor operations play an essential role in various fields of science and engineering, including multiway data analysis. In this study, we establish a few basic properties of the range and null space of a tensor using block circulant…

Numerical Analysis · Mathematics 2023-11-30 Ratikanta Behera , Jajati Keshari Sahoo , Yimin Wei

This paper establishes exact expressions for the Drazin inverse of the modified tensor $\mathcal A-\mathcal C*_N\mathcal D^D*_N\mathcal B$ via the Einstein product, formulated using the Drazin inverse of $\mathcal A$ and the generalized…

Numerical Analysis · Mathematics 2026-04-24 Yue Zhao , Daochang Zhang , Dijana Mosic

Let $\mathcal{A}$ be an order $t$ dimension $m\times n\times \cdots \times n$ tensor over complex field. In this paper, we study some {generalized inverses} of $\mathcal{A}$, the {$k$-T-idempotent tensors} and the idempotent tensors based…

Numerical Analysis · Mathematics 2014-12-24 Lizhu Sun , Baodong Zheng , Changjiang Bu , Yimin Wei

The main objective of this article is to study several generalizations of the reverse order law for the Moore-Penrose inverse in ring with involution.

Rings and Algebras · Mathematics 2014-01-31 Enrico Boasso , Dragana S. Cvetkovic-Ilic , Robin Harte

This article first introduces the notion of weighted singular value decomposition (WSVD) of a tensor via the Einstein product. The WSVD is then used to compute the weighted Moore-Penrose inverse of an arbitrary-order tensor. We then define…

Numerical Analysis · Mathematics 2025-08-07 Aaisha Be , Vaibhav Shekhar , Debasisha Mishra

We study extensions of the GD tensor inverse using the M-product. The aim of current research is threefold. In the first place, the tensor GD inverse under the M-product is introduced and considered. We give the several properties and…

Numerical Analysis · Mathematics 2024-12-10 Hongwei Jin , Siran Chen , Shaowu Huang , Predrag S. Stanimirović

Inversion of operators is a fundamental concept in data processing. Inversion of linear operators is well studied, supported by established theory. When an inverse either does not exist or is not unique, generalized inverses are used. Most…

Statistics Theory · Mathematics 2024-04-02 Eyal Gofer , Guy Gilboa
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