collaborators

5 papers

math.NA2026

Formulae for the Drazin inverse of Modified Tensors via the Einstein Product

Yue Zhao, Daochang Zhang, Dijana Mosic

This paper establishes exact expressions for the Drazin inverse of the modified tensor via the Einstein product, formulated usin…

math.NA2026

Perturbation Analysis of the QT-Drazin Inverse of Quaternion Tensors via the QT-Product

Yue Zhao, Daochang Zhang, Jingqian Li +1

The motivation of this paper is to investigate the perturbation theory for the QT-Drazin inverse of quaternion tensors under the QT-product via the associated -block circulant r…

math.FA2026

Perturbation analysis of tensor -inverse via Einstein product

Daochang Zhang, Jingqian Li, Dijana Mosic +1

We investigate the influence of a relatively small perturbation on various generalized inverses functions or quantities derived from a tensor .When a small tensor pert…

math.NA2026

On the Block-Diagonalization and Multiplicative Equivalence of Quaternion -Block Circulant Matrices with their Applications

Daochang Zhang, Yue Zhao, Jingqian Li +1

The motivation of this paper is twofold. First, we investigate the block-diagonalization of the -block circulant matrix , based on this block-diago…

math.NA2025

Some results on core EP Drazin matrices and partial isometries

Gholamreza Aghamollaei, Mahdiyeh Mortezaei, Dijana Mosic +1

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,…