Zhiqiang Xu

activity

20082023

most citedPhaseless Rcovery using Gauss-Newton Method

67 citations · 259 across the 42 of their papers we have counts for

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math.CO2021

Improved bounds in Weaver's $KS_{r}$ conjecture for high rank positive semidefinite matrices

Zhiqiang Xu, Zili Xu, Ziheng Zhu

Recently Marcus, Spielman and Srivastava proved Weaver's $KS_{r}$ conjecture, which gives a positive solution to the Kadison-Singer problem. Cohen and Brändén independently ex…

math.CO2020

Upper and Lower bounds for matrix discrepancy

Jiaxin Xie, Zhiqiang Xu, Ziheng Zhu

The aim of this paper is to study the matrix discrepancy problem. Assume that $ξ_{1}, \dots, ξ_{n}$ are independent scalar random variables with finite support and $\mathbf{u}_1,\ldots,…

Improved bounds in Weaver's KSr​ conjecture for high rank positive semidefinite matrices

Upper and Lower bounds for matrix discrepancy

Improved bounds in Weaver's $KS_{r}$ conjecture for high rank positive semidefinite matrices