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What's New
11-Jan-2021
Chair Professor Defeng Sun collaborates with Noah's Ark Lab for the development of an efficient industrial ...
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08-Jan-2021
Dr. Fridolin Ting is honored with the President’s Award for Outstanding Achievement in Teaching 2019/2020
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02-Dec-2020
A Positive and Asymptotic Preserving Filtered PN method for the Gray Radiative Transfer Equations
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24-Nov-2020
Emeritus Professor Liqun Qi named the Highly Cited Research 2020 by Clarivate Analytics
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06-Nov-2020
Prof. Sun is selected as one of the eight elected Inaugural Fellows of the China Society for Industrial and...
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22-Jun-2020
Media reports on AMA's new QEF project "Developing Active Learning Pedagogies and Mobile Applications in Se...
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email@polyu.edu.hk
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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