研究方向为应用计算调和分析，逼近论，以及离散数学中的组合优化问题。

2012.9-2016.7 吉林大学 学士

2016.9-2021.7 中科院数学与系统科学研究院 计算数学所 博士

2021.8-2024.8 香港科技大学 博士后

2024.9-至今 华东师范大学 准聘副教授

Papers:

[1] Jian-Feng Cai, Zhiqiang Xu, Zili Xu, Interlacing Polynomial Method for Matrix Approximation via Generalized Column and Row Selection, Foundations of Computational Mathematics, to appear.

[2] Yu Xia, Zhiqiang Xu, Zili Xu, Stability in phase retrieval: characterizing condition numbers and the optimal vector set, Mathematics of Computation, 2024.

[3] Jian-Feng Cai, Zhiqiang Xu, Zili Xu, Interlacing Polynomial Method for the Column Subset Selection Problem, International Mathematics Research Notices, rnae001, 2024.

[4] Zhiqiang Xu, Zili Xu and Ziheng Zhu, Improved bounds in Weaver’s KS_r conjecture for high rank positive semidefinite matrices, Journal of Functional Analysis, 285 Issue 4, 2023.

[5] Zhiqiang Xu, Zili Xu, The minimizers of the p-frame potential, Applied and Computational Harmonic Analysis 52, 366-379, 2021.

[6] Zhiqiang Xu, Zili Xu and Wei-Hsuan Yu, Bounds on antipodal spherical designs with few angles, Electronic Journal of Combinatorics, Volume 28 Issue 3, P3.39, 2021.