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zlxu
Xu, Zili ( 徐孜立 ) 
Title: Associate Professor
Department: Applied Mathematics
Office: Room 228, Math Building
Telephone: 54342646-228
Email: zlxu@math.ecnu.edu.cn
Homepage: http://math.ecnu.edu.cn/~zlxu
Research Interest
Combinatorics;Computational Mathematics
Resume

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

Selected Publications

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, 2025, https://doi.org/10.1007/s10208-025-09719-5.

[2] Yu Xia, Zhiqiang Xu, Zili Xu, Stability in phase retrieval: characterizing condition numbers and the optimal vector set, Mathematics of Computation, 94 (2025), no. 356, pp. 2931-2960.

[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.


Recent Publications(From MathSciNet)
MR4940547 Pending Xia, Yu; Xu, Zhiqiang; Xu, Zili Stability in phase retrieval: characterizing condition numbers and the optimal vector set. Math. Comp. 94 (2025), no. 356, 2931–2960. 94A15 (46C05 49N45 94A12)
Publication Year 2025 Indexed 2025-09-29
MR4742845 Reviewed Cai, Jian-Feng; Xu, Zhiqiang; Xu, Zili Interlacing polynomial method for the column subset selection problem. Int. Math. Res. Not. IMRN 2024, no. 9, 7798–7819. 15A24
Publication Year 2024 Indexed 2024-07-15 Review Published2024-07-19
MR4584985 Reviewed Xu, Zhiqiang; Xu, Zili; Zhu, Ziheng Improved bounds in Weaver's ${\rm KS}_r$ conjecture for high rank positive semidefinite matrices. J. Funct. Anal. 285 (2023), no. 4, Paper No. 109978, 27 pp. (Reviewer: Robert S. Doran) 15A60 (15B48 42C15)
Publication Year 2023 Indexed 2023-06-26 Review Published2023-10-11
MR4301307 Reviewed Xu, Zhiqiang; Xu, Zili; Yu, Wei-Hsuan Bounds on antipodal spherical designs with few angles. Electron. J. Combin. 28 (2021), no. 3, Paper No. 3.39, 21 pp. 52C10 (05E30 52C30)
Publication Year 2021 Indexed 2021-10-08 Review Published2022-08-10
MR4218427 Reviewed Xu, Zhiqiang; Xu, Zili The minimizers of the $p$-frame potential. Appl. Comput. Harmon. Anal. 52 (2021), 366–379. 42C15 (31B15)
Publication Year 2021 Indexed 2021-04-21 Review Published2022-02-14

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