• DML-CZ Home
• Czechoslovak Mathematical Journal

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