任志茹
理学博士，副教授
地址：北京市海淀区学院南路39号统计与数学学院，100081
Email：renzr@cufe.edu.cn


研究方向
1. 数值代数
2. 科学计算


教育背景
2006年9月—2011年6月 中国科学院数学与系统科学研究院计算数学所，理学博士
2002年9月—2006年7月 武汉大学数学与统计学院信息与计算科学专业，理学学士


工作经历
2011年7月—2014年6月 中国科学院数学与系统科学研究院 博士后
2014年6月—2015年10月 中央财经大学统计与数学学院 讲师
2015年11月—至今 中央财经大学统计与数学学院 副教授


学术论文
1. Guo-Feng Zhang, Zhi-Ru Ren and Yuan-Yuan Zhou, On HSS-based constraint preconditioners for generalized saddle-point problems, Numerical Algorithms (SCI), 57 (2011), 273-287.
2. Zhong-Zhi Bai, Raymond H. Chan and Zhi-Ru Ren, On sinc discretization and banded preconditioning for linear third-order ordinary differential equations, Numerical Linear Algebra with Applications (SCI), 18 (2011), 471-497.
3. Zhi-Ru Ren, Comparative study on order-reduced methods for linear third-order ordinary differential equations, Frontiers of Mathematics in China (SCI), 7 (2012), 1151-1168.
4. Zhi-Ru Ren, Banded Toeplitz preconditioners for Toeplitz matrices from sinc methods, Journal of Computational Mathematics (SCI), 30 (2012), 533-543
5. Zhong-Zhi Bai and Zhi-Ru Ren, Block-tridiagonal preconditioning methods for linear third-order ordinary differential equations based on reduced-order sinc discretization, Japan Journal of Industrial and Applied Mathematics (SCI), 30 (2013), 511-527.
6. Zhi-Ru Ren, On structured preconditioning methods for sinc systems of linear third-order ordinary differential equations (in Chinese), Mathematica Numerica Sinica (A), 35 (2013), 305-322.
7. Li-Li Zhang and Zhi-Ru Ren, Improved convergence of modulus-based matrix splitting iteration methods for linear complementarity problems, Applied Mathematics Letters (SCI), 26 (2013), 638-642.
8. Lev A. Krukier, Boris L. Krukier and Zhi-Ru Ren, Generalized skew-Hermitian triangular splitting iteration methods for saddle-point linear systems, Numerical Linear Algebra with Applications (SCI), 21 (2014), 152-170.
9. Zhong-Zhi Bai, Raymond H. Chan and Zhi-Ru Ren, On order-reducible sinc discretization and block-diagonal preconditioning methods for linear third-order ordinary differential equations, Numerical Linear Algebra with Applications (SCI), 21 (2014), 108-135.
10. Li-Li Zhang, Yun-Peng Zhang and Zhi-Ru Ren, New convergence proofs of modulus-based synchronous multisplitting iteration methods for linear complementarity problems, Linear Algebra and its Applications (SCI), 481 (2015), 83-93.
11. Yang Cao and Zhi-Ru Ren, Two variants of the PMHSS iteration method for a class of complex symmetric indefinite linear systems, Applied Mathematics and Computation (SCI), 264 (2015), 61-71.
12. Chao Lang and Zhi-Ru Ren, Inexact rotated block triangular preconditioners for a class of block two-by-two matrices, Journal of Engineering Mathematics (SCI), 93 (2015), 87-98.
13. Zhi-Ru Ren and Yang Cao, An alternating positive semidefinite splitting preconditioner for saddle point problems from time-harmonic eddy current models, IMA Journal of Numerical Analysis (SCI), 36 (2016), 922-946.
14. Zhi-Ru Ren, Yang Cao and Li-Li Zhang, On preconditioned MHSS real-valued iteration methods for a class of complex symmetric indefinite linear systems, East Asian Journal on Applied Mathematics (SCI), 6 (2016), 192-210.
15. Yang Cao, Zhi-Ru Ren and Quan Shi, A simplified HSS preconditioner for generalized saddle point problems, BIT Numerical Mathematics (SCI), 56 (2016), 423-439.
16. Zhi-Ru Ren, Yang Cao and Qiang Niu, Analysis of the generalized shift-splitting preconditioned saddle point problems, Journal of Computational and Applied Mathematics (SCI), 311 (2017), 539-550.
17. Li-Li Zhang and Zhi-Ru Ren, On convergence of modulus-based matrix splitting iteration methods for linear complementarity problems of M-matrices (in Chinese), Acta Mathematica Sinica (AA), (2017), Accepted.
18. Yang Cao, Shu-Xing Miao and Zhi-Ru Ren, On preconditioned generalized shift-splitting iteration methods for saddle point problems, Computers & Mathematics with Applications (SCI), (2017), Accepted.

科研课题
国家自然科学基金青年项目（No. **），2014.01—2016.12，课题主持人
中央财经大学青年教师发展基金（No. QJJ1517），2016.01—2017.12，课题主持人


所授课程
1. 数学分析（本科生）
2. 数值代数（本科生）
3. 数值分析（本科生）


荣誉与奖励
1. 中央财经大学金钥匙文灯优秀教师奖，2016年5月
2. 应用数值代数奖，2016年10月