Applied Probability, Stochastic Modeling and Optimization, Numerical Methods and Algorithms. Google Scholar

Ongoing Research

  • Qing Zhang, Xueping Gong, Jiheng Zhang (2021), Improving Blockchain Consistency Bound by Assigning Weights to Random Blocks. [link]

  • Jiahao He, Jiheng Zhang, Rachel Zhang (2021), Resource Allocation in Correlated Competitions. [article]

  • Zhenghua Long, Tolga Tezcan, Jiheng Zhang (2018), Customer Service Chat Systems with General Service and Patience Times. [link] [article]

  • Maria Vlasiou, Jiheng Zhang, Bert Zwart (2017), Insensitivity of Proportional Fairness in Critically Loaded Bandwidth Sharing Networks. [link] [article]

Publications

  • Zhenghua Long, Hailung Zhang, Jiheng Zhang, George Zhang (2023), The Generalized cμ/h Rule for Queues with Heterogeneous Server Pools Operations Research, forthcoming. [article]

  • Jiahao He, Guangyuan Zhang, Jiheng Zhang, Rachel Zhang (2023), An Economic Model of Blockchain: the Interplay between Transaction Fees and Security. Manufacturing and Service Operations Management, forthcoming. [article]

  • Xuefeng Gao, Junfei Huang, Jiheng Zhang (2022), Technical Note – Optimal Control of Omnichannel Service Systems with Pick-up Guarantees. Operations Research, forthcoming.

  • Guangju Wang, Hailun Zhang, Jiheng Zhang (2022), On-Demand Ride-Matching in a Spatial Model with Abandonment and Cancellation. Operations Research, forthcoming. [link] [article]

  • Yuxuan Han, Zhicong Liang, Zhipeng Liang, Yang Wang, Yuan Yao, Jiheng Zhang (2022), Private Streaming SCO in $L_p$ geometry with Applications in High Dimensional Online Decision Making. ICML 2022: 8249-8279 [link] [article]

  • Jiahao He, Jiheng Zhang, Rachel Q. Zhang (2022), A Reduction from Linear Contextual Bandit Lower Bounds to Estimation Lower Bounds. ICML 2022: 8660-8677 [link] [article]

  • Feng Han, Xiaojuan Ma, Jiheng Zhang (2022), Simulating Multi-Asset Classes Prices Using Wasserstein Generative Adversarial Network: A Study of Stocks, Futures and Cryptocurrency. Journal of Risk and Financial Management, 15(1), 26. [link] [article]

  • Varun Gupta, Jiheng Zhang (2022), Approximations and Optimal Control for State-dependent Limited Processor Sharing Queues. Stochastic Systems, 12(2), 205-225. [link] [article]

  • Yuxuan Han, Zhipeng Liang, Yang Wang, Jiheng Zhang (2021) Generalized Linear Bandits with Local Differential Privacy. NeurIPS 2021: 26511-26522. [link] [article]

  • Jiahao He, Guangju Wang, Guangyuan Zhang, Jiheng Zhang (2021), Consensus Mechanism Design based on Structured Directed Acyclic Graphs. Blockchain: Research and Applications, 2(1). [link] [article] [slides]

  • Hailun Zhang, Jiheng Zhang, Rachel Zhang (2020), Managing Perishable Inventory Systems as Non-perishable Ones, Production and Operations Management, 29(11), 2637-2650. [link] [article]

  • Zhen Xu, Hailun Zhang, Jiheng Zhang, Rachel Zhang (2020), Online Demand Fulfillment under Limited Flexibility, Management Science, 66(10), 4667-4685. [link] [article] [e-companion]

  • Zhenghua Long, Nahum Shimkin, Hailun Zhang, Jiheng Zhang (2020), Dynamic Scheduling of Multiclass Many-server Queues with Abandonment: the Generalized cμ/h Rule, Operations Research, 68(4), 1218-1230. [link] [article] [e-companion]

  • Zhenghua Long, Jiheng Zhang (2019), Virtual Allocation Policies for Many-server Queues with Abandonment, Mathematics Methods of Operations Research, 44(3), 943–965. [link] [article]

  • Zhenghua Long, Jiheng Zhang (2019), A Note on Many-server Fluid Models with Time-varying Arrivals, Probability in the Engineering and Informational Sciences, 33(3), 417–437. [link] [article]

  • Zhen Xu, Jiheng Zhang, Rachel Q. Zhang (2019), Instantaneous Control of Brownian Motion with a Positive Lead Time, Mathematics of Operations Research, 44(3), 943–965. [link] [article]

  • Shining Wu, Jiheng Zhang, Rachel Zhang (2018), Management of a Shared Spectrum Network in Wireless Communications, Operations Research, 66(4), 1119–1135. [link] [article] [e-companion]

  • Angelos Aveklouris, Maria Vlasiou, Jiheng Zhang, Bert Zwart (2017), Heavy-traffic Approximations for a Layered Network with Limited Resources, Probability and Mathematical Statistics, 37(2), 497–532. [link] [article]

  • Junfei Huang, Avishai Mandelbaum, Hanqin Zhang, Jiheng Zhang (2017), Refined Models for Efficiency-Driven Queues with Applications to Delay Announcements and Staffing, Operations Research, 65(5), 1380–1397. [link] [article] [e-companion]

  • Junfei Huang, Hanqin Zhang, Jiheng Zhang (2016), A unified Approach to Diffusion Analysis of Queues with General Patience-time Distribution, Mathematics of Operations Research, 41(3), 1135–1160. [link] [article]

  • Chung-Yee Lee, Hau Lee, Jiheng Zhang (2015), The Impact of Slow Ocean Steaming on Delivery Reliability and Fuel Consumption, Transportation Research Part E: Logistics and Transportation Review, 76, 176–190. [link] [article]

  • Xiaowei Zhang, Jeff Hong, Jiheng Zhang (2014), Scaling and Modeling of Call Center Arrivals, Proceedings of the 2014 Winter Simulation Conference, 476–485. [link] [article]

  • Tolga Tezcan, Jiheng Zhang (2014), Routing and staffing in customer service web chat systems with impatient customers, Operations Research, 61(4), 943–956. [link] [article] [e-companion]

  • Zhenghua Long, Jiheng Zhang (2014), Convergence to Equilibrium States for Fluid Models of Many-server Queues with Abandonment, Operations Research Letters, 42(6–7), 388–393. [link] [article]

  • Jun Luo, Jiheng Zhang (2013), Staffing and Control of Instant Messaging Contact Centers, Operations Research, 61(2), 328–343. [link] [article] [e-companion]

  • Jiheng Zhang (2013), Fluid Models of Many-server Queues with Abandonment, Queueing Systems, 73(2), 147–193. [link] [article] [slides]

  • Maria Vlasiou, Jiheng Zhang, Bert Zwart, Rod van der Mei (2012), Separation of Timescales in a Two-Layered Network, Proceedings of the 24th International Teletraffic Congress, Article No.: 32. [link] [article]

  • Jiheng Zhang, J. G. Dai, Bert Zwart (2011), Diffusion Approximations of Limited Processor Sharing Queues in Heavy Traffic, Annals of Applied Probability, 21(2), 745–799. [link] [article]

  • Jiheng Zhang, J. G. Dai, Bert Zwart (2009), Law of Large Number Limits of Limited Processor Sharing Queues, Mathematics of Operations Research, 34(4), 937–970. [link] [article]

  • Jiheng Zhang, Bert Zwart (2008), Steady State Approximations of Limited Processor Sharing Queues in Heavy Traffic, Queueing Systems, 60(3-4), 227–246. [link] [article]