Zhang Yiying is an assistant professor and doctoral supervisor of the Department of Mathematics, Southern University of Science and Technology. He received his PhD in actuarial science from the University of Hong Kong in September 2018, and then went to KU Leuven and the University of Amsterdam for academic visits. He worked as an assistant professor in the School of Statistics and Data Science of Nankai University from January 2019 to August 2019. He joined the Department of Mathematics of Southern University of Science and Technology as an assistant professor in August 2021. His research interests are risk management and actuarial science, applied probability and reliability theory and statistics, and his research results have been published in Insurance: Mathematics and Economics, Scandinavian Actuarial Journal, North American Actuarial Journal, ASTIN Bulletin, European Journal of Operational Research, Naval Research Logistics, Journal of Risk, Journal of Risk and Reliability, Reliability Engineering & System Safety, Computers & Industrial Engineering, Journal of Computational and Applied Mathematics, TEST, Journal of Applied Probability, Journal of Multivariate Analysis, Quality Technology & Quantitative Management, Communications in Mathematics and Statistics, Operations Research Letters, etc.
Work experience
2021/08-- Present, Tenure-Track Assistant Professor, Department of Mathematics, Southern University of Science and Technology
2019/01--2021/08, Assistant Professor, School of Statistics and Data Science, Nankai University
2018/10--2018/01, KU Leuven & University of Amsterdam, Visiting Scholar
Educational background
2015/09--2018/09, PhD, Actuarial Science, Department of Statistics and Actuarial Science, University of Hong Kong
2012/09--2015/07, Master of Science in Probability Theory and Mathematical Statistics, School of Mathematics and Statistics, Lanzhou University
2008/09--2012/07, Bachelor of Science in Mathematics and Applied Mathematics, School of Mathematics and Statistics, Lanzhou University
Honors & Awards
2023 Outstanding Communist Party member of Southern University of Science and Technology
2023 "Double Excellence" cultivation program of the College of Science, Southern University of Science and Technology
2023, "Applied Stochastic Process" was selected into the "Lighthouse" action course Ideological and political demonstration course of the College of Science
2021, selected for the special position of Pengcheng Peacock of Southern University of Science and Technology
2019, selected into the third level of Tianjin 131 innovative Talent Training Project
2015-2018 Hong Kong Government Full Doctoral Scholarship (HKPFS)
Recruitment information
Postdoctoral/doctoral/master's students/research assistants are required to be diligent, practical, good at communication, passionate about scientific research, and determined to engage in cutting-edge scientific research. Outstanding PhD graduates who are interested in risk management, actuarial science, applied probability, reliability theory and statistics are welcome to join the research group, and outstanding students are invited to apply for master's/direct doctoral degree or apply for examination. At the same time, we also welcome excellent doctoral candidates to visit and exchange with the research group. Interested parties should send relevant materials to zhangyy3@sustech.edu.cn.
For more information, please visit the official website of Graduate School of Southern University of Science and Technology: http://gs.sustech.edu.cn
Research postdoctoral recruitment information: https://math.sustech.edu.cn/job/show/19.html
Address: M702 Department of Mathematics, School of Science Building, Southern University of Science and Technology, No. 1088 Xueyuan Avenue, Nanshan District, Shenzhen, Guangdong, China
More information please visit the personal homepage:
https://sites.google.com/site/yiyingzhang16
https://faculty.sustech.edu.cn/zhangyy3/
Main research field
Risk Management and actuarial insurance: Optimal reinsurance, reliability theory, systemic risk, risk theory, dependent risk model
Applied probability: ordered variable model, stochastic order theory and
stochastic comparison, statistical dependence model
Reliability theory and statistics: reliability analysis, system reliability design and optimization
Representative paper
Research area 1: Risk management and actuarial insurance
Chen, Y., Jiang, W. and Zhang, Y. (2023). Mean-variance insurance design under heterogeneous beliefs. The Journal of Risk, Accepted.
Liang, X., Jiang, W. and Zhang, Y. (2023). Optimal insurance design under mean-variance preference with narrow framing. Insurance: Mathematics and Economics, 112, 59-79.
Zhang, J., Yan, R. and Zhang, Y. (2023). Stochastic comparisons of largest claim amounts from heterogeneous and dependent insurance portfolios. Journal of Computational and Applied Mathematics, 431, 115265.
Dhaene, J., Laeven, R.J.A. and Zhang, Y. (2022). Systemic risk: Conditional distortion risk measure. Insurance: Mathematics and Economics, 102, 126-145.
Boonen, T.J. and Zhang, Y. (2022). Bowley reinsurance with asymmetric information: A first-best solution. Scandinavian Actuarial Journal, 2022(6), 532-551.
Cheung, K.C., Yam, S.C.P. and Zhang, Y. (2022). Satisficing credibility for heterogeneous risks. European Journal of Operational Research, 298(2), 752-768.
Boonen, T.J. and Zhang, Y. (2021). Optimal reinsurance design with distortion risk measures and asymmetric information. ASTIN Bulletin: The Journal of the IAA, 51(2), 607-629.
Zhang, Y. (2021). On transform orders for largest claim amounts. Journal of Applied Probability, 58(4), 1064-1085.
Xu, M. and Zhang, Y. (2021). Data breach CAT bonds: Modeling and pricing. North American Actuarial Journal, 25(4), 543-561.
Boonen, T.J., Cheung, K.C. and Zhang, Y. (2021). Bowley reinsurance with asymmetric information on the insurer's risk preferences. Scandinavian Actuarial Journal, 2021(7), 623-644.
Zhang, Y. and Cheung, K.C. (2020). On the increasing convex order of generalized aggregation of dependent random variables. Insurance: Mathematics and Economics, 92, 61-69.
Cheung, K.C., Yam, S.C.P., Yuen, F.L. and Zhang, Y. (2020). Concave distortion risk minimizing reinsurance design under adverse selection. Insurance: Mathematics and Economics, 91, 155-165.
Cheung, K.C., Yam, S.C.P. and Zhang, Y. (2019). Risk-adjusted Bowley reinsurance under distorted probabilities. Insurance: Mathematics and Economics, 86, 64-72.
Zhang, Y., Cai, X. and Zhao, P. (2019). Ordering properties of extreme claim amounts from heterogeneous portfolios. ASTIN Bulletin: The Journal of the IAA, 49(2), 525-554.
Zhang, Y., Zhao, P. and Cheung, K.C. (2019). Comparisons of aggregate claim numbers and amounts: A study of heterogeneity. Scandinavian Actuarial Journal, 2019(4), 273-290.
Zhang, Y., Li, X. and Cheung, K.C. (2018). On heterogeneity in the individual model with both dependent claim occurrences and severities. ASTIN Bulletin: The Journal of the IAA, 48(2), 817-839.
Balakrishnan, N., Zhang, Y. and Zhao, P. (2018). Ordering the largest claim amounts and ranges from two sets of heterogeneous portfolios. Scandinavian Actuarial Journal, 2018(1), 23-41.
Zhang, Y. and Zhao, P. (2015). Comparisons on aggregate risks from two sets of heterogeneous portfolios. Insurance: Mathematics and Economics, 65, 124-135.
Research Area 2: Applied Probability & Reliability theory and statistics
Ding, W., Li, J. and Zhang, Y. (2023). Criticality-based allocation of active redundancies for
asymmetric components in coherent systems. Computers & Industrial Engineering, Accepted on July, 2023.
Zhang, J. and Zhang, Y. (2023). Stochastic comparisons of relevation allocation policies in coherent systems. TEST, DOI:10.1007/s11749-023-00855-0
Zhang, Y. (2023). Stochastic comparisons of conditional residual lifetimes with applications. Quality Technology & Quantitative Management, 20(5), 601-632.
Zhang, J. and Zhang, Y. (2022). A copula-based approach on optimal allocation of hot standbys in series systems. Naval Research Logistics, 69(6), 902-913.
Wu, J., Ding, W., Zhang, Y. and Zhao, P. (2022). On reliability improvement for coherent systems with a relevation. Naval Research Logistics, 69(4), 654-666.
Sun, H., Zhang, Y. and Zhao, P. (2022). Allocating hot standbys to randomly weighted k-out-of-n: G systems. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability, 236(1), 37-54.
Zhang, Y. (2021). Reliability analysis of randomly weighted k-out-of-n systems with heterogeneous components. Reliability Engineering & System Safety, 205, 107814.
Zhang, Y. and Zhao, P. (2019). Optimal allocation of minimal repairs in parallel and series systems. Naval Research Logistics, 66(6), 517-526.
Zhang, Y., Ding, W. and Zhao, P. (2018). On total capacity of k-out-of-n systems with random weights. Naval Research Logistics, 65, 347-359.
Zhao, P., Zhang, Y. and Chen, J. (2017). Optimal allocation policy of one redundancy in a n-component series system. European Journal of Operational Research, 257(2), 656-668.
Zhao, P., Zhang, Y. and Li, L. (2015). Redundancy allocation at component level versus system level. European Journal of Operational Research, 241(2), 402-411.
Funding project
2023/01 -- 2025/12: Mean-Variance Optimal Reinsurance strategy under Heterogeneous Beliefs, 100,000 yuan, Natural Science Foundation of Basic and Applied Basic Research Foundation of Guangdong Province (No. 2023A1515011806), Host, research in progress
2012/01-2024/12: Optimal Reinsurance contract design based on asymmetric information, 300,000 yuan, Youth Science Foundation Project (No. 12101336), National Natural Science Foundation of China, hosted by, in progress
2020/04-2022/03: Reliability Design and Optimization based on Random Weighting System, 60000, Youth Project of Tianjin Natural Science Foundation (No. 20JCQNJC01740), Tianjin Science and Technology Bureau, hosted, completed
Member of the research group
Postdoc:
Yong Yaodi (2023/01-- present, Bachelor's degree: Chongqing University, PhD: University of Hong Kong)
Doctoral Student:
Pu Tong (2022/09-- present, Bachelor's Degree: Qufu Normal University)
Wang Zitong (2023/09-- present, Bachelor's degree: University of Science and Technology of China)
Master student:
Cheng Haoran (2012/09 --2023/06, Bachelor's degree: Zhengzhou University, graduated, employment: Kingsoft Digital Network Technology Co., LTD.)
Li Ytian (2012/09 -- present, Bachelor's degree: Ocean University of China)
Chen Ziyi (2012/09 -- present, undergraduate: Zhejiang Wanli University)
Li Qiqi (2023/09-- present, undergraduate: Nanjing University of Finance and Economics)