南開大學數學科學學院科學與工程計算系,教授,博士生導師,系主任。
研究方向:最最佳化方法,數值多重線性代數。具體地,主要研究來自經濟、金融、交通、通訊等工程實際部門的最佳化問題及其他相關問題的理論和算法。
基本介紹
- 中文名:楊慶之
- 外文名:楊慶之
- 別名:楊慶之
- 國籍:中國
簡介,人物介紹,基金及社會兼職,訪問經歷,主要科研論文,
簡介
南開大學數學科學學院科學與工程計算系,教授,博士生導師,系主任。
研究方向:最最佳化方法,數值多重線性代數。具體地,主要研究來自經濟、金融、交通、通訊等工程實際部門的最佳化問題及其他相關問題的理論和算法。
人物介紹
楊慶之,男,1985年7月本科畢業於南開大學數學系,1988年7月研究生畢業於河北師範大學,其後至1993年7月任教於河北師範大學,1997年5月在中國科學院套用數學所獲博士學位,1999年5月獲中國科學院博士後。1999年6月至今就職於南開大學數學科學學院。
基金及社會兼職
主持國家自然科學基金一項,教育部留學回國人員啟動基金一項;參加教育部重大項目一項。
《高校計算數學學報》編委,中國計算數學會常務理事,天津市計算數學會理事長,中國運籌學會數學規劃分會常務理事,天津工業與套用數學會理事,美國Math. Review評論員。
訪問經歷
1993年9月— 1994年6月,北京大學數學系訪問學者;
2005年9月— 2006年9月,美國Minnesota 大學訪問學者。
主要科研論文
1. Yuning Yang and Qingzhi Yang, Some modified relaxed alternating projection methods for solving the two-sets convex feasibility problem, Optimization, published online, (Jan.,2012); (SCI)
2. Yuning Yang and Qingzhi Yang, On solving biquadratic optimization via semidefinite relaxation , Computational Optimization and Applications, 53(2012); (SCI)
3. Qingzhi Yang and Yuning Yang, Further results for Perron-Frobenius theorem for nonnegative tensors II, SIAM J. Matrix Anal. and Appl, 32(4)(2011); (SCI)
4. Jinling Zhao and Qingzhi Yang, Self-adaptive projection methods for the multiple-sets split feasibility problem, Inverse Problems, 27(2011); (SCI)
5. Yuning Yang and Qingzhi Yang, Singular values of nonnegative rectangular tensors, Frontiers Math. China, 6(2011); (SCI)
6. Zhongwen Wang, Qingzhi Yang and Yuning Yang, The relaxed inexact projection methods for the split feasibility problem, Applied Math. and Computation, 217(2011); (SCI)
7.Yuning Yang and Qingzhi Yang, Further results for Perron-Frobenius theorem for nonnegative tensors, SIAM J. Matrix Anal. and Appl, 31(5)(2010); (SCI)
8.Jinling Zhao, Qingzhi Yang and Hongxiu Gao, A note on Solodov and Tseng’s methods for maximal monotone mappings, Journal of Computational and Applied Mathematics, 234(5)(2010); (SCI)
9. Qinggang Wang, Jinling Zhao and Qingzhi Yang, Some non-interior path-following methods based on a scaled central path for linear complementarity problems, Computational Optimization and Applications, 46(2010);(SCI)
10. Jinling Zhao and Qingzhi Yang, Weak co-coercivity and its applications in several algorithms for solving variational inequalities, Applied Mathematics and computation, 201(2008); (SCI)
11. Qingzhi Yang and Jinling Zhao,Some remarks on convex feasibility problem and best approximation problems, Numerical Mathematics: Theory, Method and Applications, 1(2008); (SCIE)
12. Jinling Zhao and Qingzhi Yang: A note on Krasnoselski-Mann theorem and its generalizations, Inverse Problems, 23(2007);(SCI)
13. Qingzhi Yang: On the generalized system for relaxed cocoercive variational inequalities and projection methods, Journal of Optimization Theory and Applications, 130(2006); (SCI)
14. Qingzhi Yang and Jinling Zhao: Generalized KM theorems and their applications, Inverse Problems, 22 (2006); (SCI)
15. 楊慶之,趙金玲:分裂可行問題的投影算法,計算數學,28(2006);
16. Qingzhi Yang: On the variable-step relaxed projection algorithm for variational inequalities, Journal of Mathematical Analysis and Applications, 302 (2005); (SCI)
17. Qingzhi Yang: A new proof of strong duality theorem for semidefinite programming, Journal of Mathematical Analysis and Applications, 303 (2005); (SCI)
18. Jinling Zhao and Qingzhi Yang: Several solution methods for the splitting feasibility problem, Inverse Problems, 21 (2005); (SCI)
19. Qingzhi Yang: The revisit of a projection algorithm for variational inqualities, Journal of Industrial and Management Optimization, 1(2005); (SCI)
20. Qingzhi Yang: The relaxed CQ algorithm solving the splitting feasibility problem, Inverse Problems, 20 (2004); (SCI)
21. Qingzhi Yang and Hong Yu: Discretization method for semidefinite programming, Computers and Mathematics with Applications, 48 (20