杨俊坚
发布时间:2024-10-12

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
2025年12月至今,海南师范大学,数学与统计学院,教授;
2025年6月-2025年12月,中国科学院数学与系统科学研究院,访问学者;
2012/12-2025年12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), 457–465.
[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: 8805–8813.
[6] Huan Xu, Junjian Yang*, Shengyan Ma. Singular value inequalities of matrices with concave functions, Journal of Mathematical Inequalities. Volume 17, Number 4 (2023), 1471–1479.
[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.