Daochang Zhang

activity

20172026

most citedFormulae for the Drazin inverse of Modified Tensors via the Einstein Product

1 citations · 1 across the 7 of their papers we have counts for

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math.RA2018

On the existence of group inverses of Peirce corner matrices

Daochang Zhang, Dijana Mosic, Tin-Yau Tam

We give some statements that are equivalent to the existence of group inverses of Peirce corner matrices of a $2 \times 2$ block matrix and its generalized Schur complements. As ap…

math.RA2017

Drazin inverses of the sum of four matrices and its applications

Daochang Zhang, Dijana Mosi\' c, Li Guo

Our aim is to establish relations between Drazin inverses of the pesudo-block matrix $(P, Q, R, S)$ and the block matrix composed of $P, R, S, Q$ , where $R^{2} = S^{2} = 0$ . Based on the relatio…