鄭青青，女，31歲，博士，中國石油大學（北京）講師。2015-2019年就讀于廈門大學數學科學系，獲理學博士學位。2017年9月至2019年4月在美國明尼蘇達大學聯合培養。2019年7月至2021年7月擔任清華大學博士后研究員。主要從事大規模矩陣計算及其應用研究，具體研究方向為大型稀疏線性系統的低秩并行預處理方法和特征值求解等。目前已發表SCI論文十余篇；已獲得并主持了國家自然科學基金青年基金項目1項、中國石油大學北京校人才引進科研啟動基金1項和油氣資源與探測國家重點實驗室第一批定向課題一個。
郵箱：zhengqq@cup.edu.cn
代表性論文：
[1]Qingqing Zheng, Domain decomposition based preconditioner combined local low-rank approximation with global corrections, Computers & Mathematics with Applications, 114(2022) 41-46.
[2]Qingqing Zheng, Yuanzhe Xi, Yousef Saad, Powered Schur complement low-rank correction preconditioners for general sparse matrices, SIAM Journal on Matrix Analysis and Applications, 42(2) (2021) 659-682.
[3]Qingqing Zheng, Yuanzhe Xi, Yousef Saad, Multicolor low-rank preconditioner for general sparse linear systems, Numerical Linear Algebra with Applications, 2020;27:e2316.
[4]Qingqing Zheng, Linzhang Lu, On parameterized matrix splitting preconditioner for the saddle point problems, International Journal of Computer Mathematics, 96(2019) 1-17.
[5]Qingqing Zheng, Linzhang Lu, A shift-splitting preconditioner for a class of block two-by-two linear systems, Applied Mathematics Letters, 66 (2017) 54-60.
[6]Qingqing Zheng, Linzhang Lu, Extended shift-splitting preconditioners for saddle pointproblems, Journal of Computational and Applied Mathematics, 313 (2017) 70-81.
[7]Qingqing Zheng, Linzhang Lu, On semi-convergence of ULT iterative method for the singular saddle point problems, Computers and Mathematics with Applications, 72 (2016) 1549-1555.
[8]Qingqing Zheng, Changfeng Ma, Accelerated PMHSS iteration methods for complex symmetric linear systems，Numerical Algorithms, 2016:1-16.
