Author: Zhao, Xianzhong

Chen, Yizhi; Zhao, Xianzhong; Liu, Zhongzhu: On upper triangular nonnegative matrices. (English). Czechoslovak Mathematical Journal, vol. 65 (2015), issue 1, pp. 1-20
Chen, Yizhi; Zhao, Xianzhong: On linear operators strongly preserving invariants of Boolean matrices. (English). Czechoslovak Mathematical Journal, vol. 62 (2012), issue 1, pp. 169-186
Chen, Wei; Zhao, Xianzhong: The structure of idempotent residuated chains. (English). Czechoslovak Mathematical Journal, vol. 59 (2009), issue 2, pp. 453-479
Pastijn, F.; Zhao, Xianzhong: Green's $\mathcal{D}$-relation for the multiplicative reduct of an idempotent semiring. (English). Archivum Mathematicum, vol. 36 (2000), issue 2, pp. 77-93

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