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Defeng Sun | |
|---|---|
 | |
| Nationality | Chinese |
| Alma mater | Nanjing University Chinese Academy of Sciences |
| Awards | The Beale--Orchard-Hays Prize for Excellence in Computational Mathematical Programming 2018 by the Mathematical Optimization Society]
Fellow of the Society of Industrial and Applied Mathematics (2020)
Inaugural Fellow of China Society of Industrial and Applied Mathematics (2020)
|
| Scientific career | |
| Fields | Optimization and Machine Learning |
| Institutions | Department of Applied Mathematics, The Hong Kong Polytechnic University |
| Doctoral advisor | Jiye Han (Chinese name: 韩继业) |
Defeng Sun (Chinese name: 孙德锋) is a Chinese applied mathematician and operations researcher. He holds the position of Chair Professor of Applied Optimization and Operations Research.[1], and has been serving as the Head of Department of Applied Mathematics since 2019, and the Director[2] of the Research Centre for Intelligent Operations Research (2024 - present) at The Hong Kong Polytechnic University (PolyU). Sun had also served as the President of The Hong Kong Mathematical Society in 2020-2024.
Education
editSun received his Ph.D. degree in 1995 from Chinese Academy of Sciences in Beijing under the supervision of Professor Jiye Han (Chinese name: 韩继业), after obtaining his bachelor’s and Master’s degree from Nanjing University in 1989 and 1992, respectively.
Research
editSun’s research interests lie in the areas of non-convex continuous optimization and machine learning including mathematical theory, algorithmic developments and real-world applications.
Sun is recognized for his 2006 work characterizing the strong regularity of nonlinear semidefinite programming[3] and his software SDPNAL/SDPNAL+ for general purpose semidefinite programming[4]. His works have been cited by thousands of scientific studies[5].
Professional Activities
editSun is a member of various professional societies including The Institute for Operations Research and the Management Science (INFORMS), Society for Industrial and Applied Mathematics (SIAM), Mathematical Optimization Society (MOS), American Mathematical Society (AMS), China Society for Industrial and Applied Mathematics (CSIAM) and The Hong Kong Mathematical Society (HKMS) etc.
He actively involves in editorial activities for various
- Associate Editor, Mathematical Programming[6] (Series A, August 2007 -- present); Series B, January 2014--December 2017).
- Associate Editor, SIAM Journal on Optimization [7](January 2012-- present).
- Associate Editor, Journal of the Operations Research Society of China [8](2012--present).
- Associate Editor, Journal of Computational Mathematics [9](2017--present).
- Associate Editor, Science China Mathematics[10] (January 2018 -- present).
- Associate Editor, Journal of Optimization Theory and Applications [11] (2021 – present).
- Advisory Committee Member, Asia-Pacific Journal of Operational Research (January 2014-- present); editor-in-chief (October 2010 –December 2013)[12].
He also served as the co-chair of the organizing committee and local organizing committee for the SIAM Conference on Optimization (OP21)[13], program committee member for The Sixth International Conference on Continuous Optimization (ICCOPT 2019)[14] in Berlin and The Fifth International Conference on Continuous Optimization (ICCOPT 2016)[15] in Tokyo.
Honors and awards
edit- The world’s top 2% most-cited scientists by Stanford University in 2021-2023[16][17][18]
- Senior Research Fellow, Research Grant Council (RGC), 2022/23[19]
- Inaugural Fellow, The China Society for Industrial and Applied Mathematics, 2020[20]
- Fellow, The Society for Industrial and Applied Mathematics, 2020[21]
- Beale--Orchard-Hays Prize for Excellence in Computational Mathematical Programming 2018[22], the Mathematical Optimization Society (with Kim-Chuan Toh and Liuqin Yang)
References
edit- ^ "Academic Staff, Department of Applied Mathematics, The Hong Kong Polytechnic University".
- ^ "Structure, The Research Centre for Intelligent Operations Research".
- ^ Sun, Defeng (2006). "The Strong Second Order Sufficient Condition and Constraint Nondegeneracy in Nonlinear Semidefinite Programming and Their Implications". Mathematics of Operations Research. 31 (4): 761-776. doi:10.1287/moor.1060.0195.
- ^ Yang, Liuqin; Sun, Defeng; Toh, Kim Chuan (2015). "SDPNAL+:amajorized semismooth Newton-CG augmented Lagrangian method for semidefinite programming with nonnegative constraints". Mathematical Programming Computation. 7 (3): 331-366. doi:10.1007/s12532-015-0082-6.
- ^ "Google Scholar".
- ^ "Editorial Board, Mathematical Programming".
- ^ "Editorial Board, SIAM Journal on Optimization".
- ^ "Editorial Board, Journal of the Operations Research Society of China".
- ^ "Editorial Board, Journal of Computational Mathematics".
- ^ "Editorial Board, Science China Mathematics".
- ^ "Editorial Board, Journal of Optimization Theory and Applications".
- ^ "Advisory Committee, Asia-Pacific Journal of Operational Research".
- ^ "SIAM Conference on Optimization (OP21)".
- ^ "The Sixth International Conference on Continuous Optimization (ICCOPT 2019)".
- ^ "The Fifth International Conference on Continuous Optimization (ICCOPT 2016)".
- ^ Baas, Jeroen; Boyack, Kevin; Ioannidis, John P.A. (2021), “August 2021 data-update for "Updated science-wide author databases of standardized citation indicators"”, Elsevier Data Repository, V3, doi: 10.17632/btchxktzyw.3
- ^ Ioannidis, John P.A. (2022), “September 2022 data-update for "Updated science-wide author databases of standardized citation indicators"”, Elsevier Data Repository, V4, doi: 10.17632/btchxktzyw.4
- ^ Ioannidis, John P.A. (2023), “October 2023 data-update for "Updated science-wide author databases of standardized citation indicators"”, Elsevier Data Repository, V6, doi: 10.17632/btchxktzyw.6
- ^ "Senior Research Fellow 2022/23, Research Grant Council".
- ^ "CSIAM Fellow 2020".
- ^ "SIAM Fellow 2020".
- ^ "The Beale — Orchard-Hays Prize, Mathematical Optimization Society".