Author: Liu, Xiaoqian

Liu, Xiaoqian; Chen, Xiaodan; Hu, Junli; Zhu, Qiuyun: The extremal irregularity of connected graphs with given number of pendant vertices. (English). Czechoslovak Mathematical Journal, vol. 72 (2022), issue 3, pp. 735-746
Chen, Xiaodan; Liu, Xiaoqian: Remarks on the bounds of graph energy in terms of vertex cover number or matching number. (English). Czechoslovak Mathematical Journal, vol. 71 (2021), issue 2, pp. 309-319

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