郑青青，女，31岁，博士，中国石油大学（北京）讲师。2015-2019年就读于厦门大学数学科学系，获理学博士学位。2017年9月至2019年4月在美国明尼苏达大学联合培养。2019年7月至2021年7月担任清华大学博士后研究员。主要从事大规模矩阵计算及其应用研究，具体研究方向为大型稀疏线性系统的低秩并行预处理方法和特征值求解等。目前已发表SCI论文十余篇；已获得并主持了国家自然科学基金青年基金项目1项、中国石油大学北京校人才引进科研启动基金1项和油气资源与探测国家重点实验室第一批定向课题一个。
邮箱：zhengqq@cup.edu.cn
代表性论文：
[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.
