杨庆之
教授博士生导师系主任Email：qz-yang@nankai.edu.cn
办公电话：**
传真：
个人网站： 研究方向：
最优化方法， 数值多重线性代数。
社会兼职：
《高等学校计算数学学报》编委；《Statistics, Optimization and Information Computing》 编委；中国计算数学会 常务理事； 天津市计算数学会理事长；中国运筹学会数学规划分会常务理事； 天津市运筹学会常务理事

发表文章及著作：


主要科研论文如下：




1. Yiyong Li, Qingzhi Yang and Yuning Yang: A new definition of geometric multiplicity of tensor eigenvalues and some results based on it, Front. Math. China, online available,(Jan. 2015); (SCI)

2. Yuning Yang, Qingzhi Yang and Liqun Qi: Approximation bounds for trilinear and biquadratic optimization problems over nonconvex constraints, Journal of Optimization Theory and Applications, 163(3)(2014);(SCI)

3. Yuning Yang, Qingzhi Yang and Su Zhang: Modified alterating direction methods for the modified multiple-sets split feasibility problem, Journal of Optimization Theory and Applications, 163(2)(2014); (SCI)

4. Zhongming Chen, Li Wan and Qingzhi Yang: An inexact alternating direction method for structured variational inequalities, Journal of Optimization Theory and Applications, 163(1)(2014); (SCI)

5. Lixing Yang, Qingzhi Yang and Xiaoming Zhao: Quadratic third -order tensor optimization problem with quadratic constraints, Statistics, Optimization and Information Computing, 2(2014);

6. Xiaoming Zhao and Qingzhi Yang: Spectral radius of a nonnegative tensor with centrosymmetric structure, Numer.Math.- A Journal of Chinese University,36(1)(2014);

7. 李浙宁，凌晨，王宜举，杨庆之: 张量分析和多项式优化的若干进展，运筹学学报,18(2014);

8. Yuning Yang, Qingzhi Yang and Liqun Qi: Properties and methods for finding the best rank-one approximation to high-order tensors, Computational Optimization and Applications, 58(2014); (SCI)

9. Zhongming Chen, Liqun Qi, Qingzhi Yang and Yuning Yang: The solution methods for the largest eigenvalue(singular value) of nonnegative tensors and convergence analysis, Linear Algebra and its Applications, 439(2013);(SCI)

10. Xiaoming Zhao and Qingzhi Yang: A new relaxation bound for biquadratic optimization problem with unit sphere, Numer.Math.- A Journal of Chinese University,35(3)(2013);

11. Yuning Yang and Qingzhi Yang: Some modified relaxed alternating projection methods for solving the two-sets convex feasibility problem, Optimization, 62(4)(2013); (SCI)

12. Yuning Yang and Qingzhi Yang: Geometric simplicity of spectral radius of nonnegative irreducible tensors, Front. Math. China, 8(2013); (SCI)

13. Yuning Yang and Qingzhi Yang: On solving biquadratic optimization via semidefinite relaxation , Computational Optimization and Applications, 53(2012); (SCI)

14. 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)

15. Jinling Zhao and Qingzhi Yang: Self-adaptive projection methods for the multiple-sets split feasibility problem, Inverse Problems, 27(2011); (SCI)

16. Yuning Yang and Qingzhi Yang: Singular values of nonnegative rectangular tensors, Front. Math. China, 6(2011); (SCI)

17. Zhongwen Wang, Qingzhi Yang and Yuning Yang: The relaxed inexact projection methods for the split feasibility problem, Applied Math. and Computation, 217(2011); (SCI)

18.Yuning Yang and Qingzhi Yang: Further results for Perron-Frobenius theorem for nonnegative tensors, SIAM J. Matrix Anal. and Appl, 31(5)(2010)； （SCI）

19.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)

20. 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)

21. 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)

22. Qingzhi Yang and Jinling Zhao: Some remarks on convex feasibility problem and best approximation problems， Numerical Mathematics: Theory, Method and Applications, 1(2008); (SCIE)

23. Jinling Zhao and Qingzhi Yang: A note on Krasnoselski-Mann theorem and its generalizations, Inverse Problems, 23（2007）;（SCI）

24. Qingzhi Yang: On the generalized system for relaxed cocoercive variational inequalities and projection methods, Journal of Optimization Theory and Applications, 130（2006）; (SCI）

25. Qingzhi Yang and Jinling Zhao: Generalized KM theorems and their applications, Inverse Problems, 22 (2006); (SCI)

26. 杨庆之，赵金玲：分裂可行问题的投影算法，计算数学，28(2006);

27. Qingzhi Yang: On the variable-step relaxed projection algorithm for variational inequalities, Journal of Mathematical Analysis and Applications, 302 (2005); (SCI)

28. Qingzhi Yang: A new proof of strong duality theorem for semidefinite programming, Journal of Mathematical Analysis and Applications, 303 (2005); (SCI)

29. Jinling Zhao and Qingzhi Yang: Several solution methods for the splitting feasibility problem, Inverse Problems, 21 (2005); (SCI)

30. Qingzhi Yang: The revisit of a projection algorithm for variational inqualities, Journal of Industrial and Management Optimization, 1(2005); (SCI）

31. Qingzhi Yang: The relaxed CQ algorithm solving the splitting feasibility problem, Inverse Problems, 20 (2004); (SCI)

32. Qingzhi Yang and Hong Yu: Discretization method for semidefinite programming, Computers and Mathematics with Applications, 48 (2004); (SCI)

33. 杨庆之，杨德庄，张敏洪: 调节熵函数法， 计算数学， 23(2001);

34. 杨庆之: 对凝聚函数法的探讨， 计算数学， 20(1998);

35. 杨庆之: 对凝聚函数法的分析， 计算数学， 18(1996);

36. 杨庆之: 关于集合partial_u f(x) 的结构与计算， 系统科学与数学，15(1995).

编辑专辑：

1. Qingzhi Yang, Liping Zhang, Tan Zhang and Guanglu Zhou: Spectral Theory of Nonnegative Tensors, Front. Math. China, 8(2013).



教材：

1. 杨庆之, 最优化方法, 科学出版社. 2015.03.



专著：

1. Yuning Yang and Qingzhi Yang, A study on eigenvalues of higher-order tensors

and related polynomial optimization, 科学出版社. 2015.03