Core and core-EP inverses of tensors

JK Sahoo, R Behera, PS Stanimirović… - Computational and …, 2020 - Springer
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 …

Perturbation bounds for DMP and CMP inverses of tensors via Einstein product

B Wang, H Du, H Ma - Computational and Applied Mathematics, 2020 - Springer
In this paper, the DMP and CMP inverses of tensors via Einstein product are defined. Some
characterizations, representations, and properties for these generalized inverses are …

MPD-DMP-solutions to quaternion two-sided restricted matrix equations

II Kyrchei, D Mosić, P Stanimirović - Computational and Applied …, 2021 - Springer
We consider the solvability of four new restricted quaternion matrix equations (QME) and
prove that these equations have the unique solutions determined by adequate MPD and …

Further results on weighted core-EP inverse of matrices

R Behera, G Maharana, JK Sahoo - Results in Mathematics, 2020 - Springer
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 …

Exact expressions for the Drazin inverse of anti-triangular matrices

D Zhang, Y Zhao, D Mosić, VN Katsikis - Journal of Computational and …, 2023 - Elsevier
The main contribution of this paper is to develop explicit expressions for the Drazin inverse
of two kinds of anti-triangular block complex matrices under new assumptions. Further, we …

Bayesian dynamic tensor regression

M Billio, R Casarin, M Iacopini… - Journal of Business & …, 2023 - Taylor & Francis
High-and multi-dimensional array data are becoming increasingly available. They admit a
natural representation as tensors and call for appropriate statistical tools. We propose a new …

Computation of generalized inverses of tensors via t‐product

R Behera, JK Sahoo, RN Mohapatra… - … Linear Algebra with …, 2022 - Wiley Online Library
Generalized inverses of tensors play increasingly important roles in computational
mathematics and numerical analysis. It is appropriate to develop the theory of generalized …

One-sided weighted outer inverses of tensors

D Mosić, PS Stanimirović, JK Sahoo, R Behera… - … of Computational and …, 2021 - Elsevier
In this paper, for the first time in literature, we introduce one-sided weighted inverses and
extend the notions of one-sided inverses, outer inverses and inverses along given elements …

Generalized bilateral inverses of tensors via Einstein product with applications to singular tensor equations

E Kheirandish, A Salemi - Computational and Applied Mathematics, 2023 - Springer
In this paper, a unified approach for various extended inverses of tensors, the generalized
bilateral inverse of tensors via Einstein products, is introduced and we show that a number …

Computation of outer inverses of tensors using the QR decomposition

JK Sahoo, R Behera, PS Stanimirović… - … and Applied Mathematics, 2020 - Springer
In this paper, we introduce new representations and characterizations of the outer inverse of
tensors through QR decomposition. Derived representations are usable in generating …