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杨俊坚

发布时间:2024-10-12


E-mail:8085200@qq.com

杨俊坚,男,理学博士,教授,硕士生导师,海南省高层次人才;

E-mail:8085200@qq.com

E-mail:8085200@qq.com

研究方向:数值代数、矩阵分析


教育经历

2017/09-2021/07   贵州师范大学,数学科学学院,博士研究生,导师:卢琳璋;

2010/03-2013/06   海南大学,信息科学技术学院,硕士研究生,导师:李太君

1999/09-2003/06   长沙理工大学,计算机系,本科。

科研与学术工作经历

202512月至今,海南师范大学,数学与统计学院,教授;

20256-202512月,中国科学院数学与系统科学研究院,访问学者;

2012/12-202512月,海南师范大学,数学与统计学院,副教授。

教学情况

1.主讲高等数学、线性代数、数学建模、现代优化算法、高等矩阵分析等课程;

2.指导全国大学生数学建模竞赛获海南省二、三等奖,美国数学建模竞赛M奖;五一数学建模竞赛二、三等奖;

3.荣获海南师范大学教学创新大赛二等奖。

指导硕士生

已毕业:3名,学硕:马胜艳,宋齐;专硕:王利琳。去向:马胜艳已被录取博士研究生。

在读:数学学硕5名,数学教育专硕1名。

主持项目

1、主持国家自然基金:矩阵酉不变范数不等式的理论及应用研究,在研;

2、主持海南省自然基金:关于张量乘积矩阵的线性保持问题的研究,结题;

3、主持海南省自然基金人才项目:矩阵奇异值不等式的理论及应用研究,在研;

4、主持海南省自然基金:一些矩阵酉不变范数和奇异值不等式的研究,在研。

代表性研究成果

[1] Qi Song, Junjian Yang*, Shengyan Ma. Refinements of Audenaert Interpolation Inequality, Operator and Matrices. Volume 19, Number 4 (2025), 457465.

[2] Junjian Yang, Chuchu Tang, Qi Song. Singular value inequaliteis related to the geometric mean, Journal of Mathematical Inequalities. Vol. 19(2025)No.4, 1215-1222.

[3] Junjian Yang, Shengyan Ma. Several unitarily invariant norm inequalities for matrices, Annals of Functional Analysis. (2025) 16:15.

[4] Junjian Yang, Huan Xu. Partial trace inequalities for partial transpose of positive semidefinite block matrices, Positivity. (2024) 28:21.

[5] Lihong Hu, Junjian Yang*. Inequalities on 2 × 2 block accretive partial transpose matrices, AIMS Mathematics.Vol.9 (2024)No.4: 88058813.

[6] Huan Xu, Junjian Yang*, Shengyan Ma. Singular value inequalities of matrices with concave functions, Journal of Mathematical Inequalities. Volume 17, Number 4 (2023), 14711479.

[7] Junjian Yang. Inequalities on 2 × 2 block accretive matrices, Operators and Matrices, Volume 16, Number 2 (2022), 323–328.

[8] Junjian Yang, Linzhang Lu, Zhen Chen. Weighted geometric mean of two accretive matrices, Annals of Functional Analysis. (2021) 12:19.

[9] Junjian Yang, Linzhang Lu, Zhen Chen. Some Singular Value Inequalities Related to Linear Maps, Filomat. 34:11 (2020), 3705–3709.

[10] Junjian Yang, Linzhang Lu, Zhen Chen. A note on a conjectured singular value inequality related to a linear map, Operators and Matrices, Volume 14, Number 1 (2020), 265–269.

[11] Junjian Yang. A note on unitarily invariant norm inequalities for accretive-dissipative operator matrces, Italian Journal of Pure and Applied Mathematics. 43 (2020) 206-212.

[12] Junjian Yang, Linzhang Lu, Zhen Chen. Schatten q-norms and determinantal inequalities for matrices with numerical ranges in a sector, Linear and Multilinear Algebra,67(2019)No.2,221-227.

[13] Junjian Yang, Linzhang Lu, Zhen Chen. A refinement of Rotfel’d type inequality for partitioned matrices with numerical ranges in asector, Linear and Multilinear Algebra, 67(2019)No.9,1719-1726.

[14] Junjian Yang, Linzhang Lu, Zhen Chen.A note on more inequalities for sector matrices, Operators and matrices, 13(2019)No.2,471-476.

[15] Junjian Yang. A refinement on the growth factor in Gaussian elimination for Accretive-dissipative matrices, Italian Journal of Pure and Applied Mathematics. 33 (2014) 273-278.