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math.NA2026★ 1 cited
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.NA2026
Block Diagonalization and Multiplicativity of Quaternion -Block Circulant Matrices with Applications
Daochang Zhang, Yue Zhao, Jingqian Li +1
The motivation of this paper is twofold. We firstly investigate the block-diagonalization of the -block circulant matrix , and develop the algorith…