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任志茹
来源:  点击次数: 次 发布时间:2015-01-06   编辑:

                     

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        

Emailrenzr@cufe.edu.cn        

研究方向

1. 数值代数

2. 科学计算

教育背景

20069月—20116  中国科学院数学与系统科学研究院计算数学所,理学博士

20029月—20067  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

20117月—20146  中国科学院数学与系统科学研究院   博士后

20146月—201510  中央财经大学统计与数学学院   讲师

201511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. 113015212014.012016.12,课题主持人

中央财经大学青年教师发展基金(No. QJJ1517),2016.012017.12,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,20165

2. 应用数值代数奖,201610

     

     

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