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What's New
11-Feb-2020
Stochastic Trust-region Methods with Trust-region Radius Depending on Probabilistic Models
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17-Dec-2019
[Cancellation] Due to the unforeseen condition on PolyU campus, please note that the Colloquim talk by Prof...
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10-Dec-2019
AMA UGC Teaching and Learning PALMS Project has won 7 International Educational Awards, 10 Dec 2019
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[Cancellation] Due to the unforeseen condition on PolyU campus, please note that the Distinguished Lectures...
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04-Sep-2019
Media reports on “AMA’s Active Learning Pedagogies and Mobile Applications in University STEM Education”, 4...
Read Mode 29-Aug-2019
AMA Seminar: Inverting the Markovian Projection with an Application to Local Stochastic Volatility Models
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12-Jul-2019
Congratulations to Miss Lee Ka Yi, our Investment Science graduate, for receiving the Medal of Honour (MH) ...
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11-Jul-2019
Congratulations to Mr. Salihu Sabiu Musa for winning the Best Research Paper Presentation Award presented b...
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02-Jul-2019
Congratulations to the following colleagues for receiving the RGC GRF in 2019-2020: Chen XJ, He DH, James H...
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25-May-2019
Dr. Yang Lei, AMA alumnus, won 2018-2019 Hong Kong Mathematical Society Best Thesis Award
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25-May-2019
Dr. Wang Zhi-an received 2019 Hong Kong Mathematical Society Award for Young Scholars
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27-Jan-2019
Drs. James Huang and Li Xun won 2018 Outstanding Achievement Award in Scientific Research for Institution o...
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12-Dec-2018
Chair Professors Jian Huang and Liqun Qi recognized as Highly Cited Researchers 2018
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08-Nov-2018
The Chinese Academy of Sciences (CAS) approved the CAS AMSS-PolyU Joint Lab of Applied Mathematics
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15-Oct-2018
Dr. He and his co-authors receives the Second Prize for the 2019 Award for Outstanding Research Articles in...
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16-Jul-2018
Prof. Sun Defeng awarded the triennial Beale--Orchard-Hays Prize for Excellence in Computational Mathematic...
Read ModeAcademic Staff
Assistant Professor
Dr. Zhang Zaikun
張在坤博士
Assistant Professor
Qualifications
- BSc, Jilin University, 2007
- PhD, Chinese Academy of Sciences, 2012
Research Interests
- Theory and algorithms of mathematical optimization
Selected Publications
- X. Chen, C. T. Kelley, F. Xu, Z. Zhang, A smoothing direct search method for Monte Carlo-based bound constrained composite nonsmooth optimization, to appear in SIAM J. Sci. Comput.
- S. Gratton, C. W. Royer, L. N. Vicente, Z. Zhang, Complexity and global rates of trust-region methods based on probabilistic models, to appear in IMA J. Numer. Anal.
- M. Dodangeh, L. N. Vicente, Z. Zhang, On the optimal order of worst case complexity of direct search, Optim. Lett., 10(4): 699–708, 2016
- S. Gratton, C. W. Royer, L. N. Vicente, Z. Zhang, Direct search based on probabilistic descent, SIAM J. Optim., 25(3): 1515–1541, 2015
- Z. Zhang, Sobolev seminorm of quadratic functions with applications to derivative-free optimization, Math. Program., 146(1–2): 77–96, 2014
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