Minimax Access Regulation under Strategic Adversarial Arrivals
International Transactions in Operational Research, (in press)
A new strategic access-regulation model studying adversarial arrivals under minimax objectives.
Publications
Peer-reviewed journal articles, conference papers, additional scholarly work, and doctoral research.
Peer-reviewed journal articles
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Learning to allocate automated speed enforcement: An observational policy optimization framework with reinforcement learning
Case Studies on Transport Policy, 25, 101855Combines observational evidence with reinforcement learning to study where limited automated enforcement resources should be allocated. -
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Subgame perfect Nash equilibrium analysis in a two-population strategic matching queue with nonzero matching times
Operations Research Letters, 63, 107362Shows how a high-dimensional matching queue can be reduced in equilibrium, yielding threshold behavior and pricing insights. -
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Performance Analysis and Nash Equilibria in a Taxi-Passenger System with Two Types of Passenger
SN Computer Science, 4, Article 73Analyzes system performance and strategic joining behavior when passenger classes differ. -
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Strategic customer behavior and optimal policies in a passenger–taxi double-ended queueing system with multiple access points and nonzero matching times
Queueing Systems, 102, 481–508Studies strategic joining and system design when two populations match across multiple access points and matching takes time. -
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To wait or not to wait: Strategic behaviors in an observable batch-service queueing system
Operations Research Letters, 50(3), 343–346Characterizes decisions to join, balk, or wait to form a batch in an observable service system. -
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Modified Erlang Loss System for Cognitive Wireless Networks
Mathematics, 10(12), 2101Develops a stochastic performance model for a loss system motivated by cognitive wireless networks. -
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Supply–demand equilibria and multivariate optimization of social welfare in double-ended queueing systems
Computers & Industrial Engineering, 170, 108306Connects strategic supply and demand behavior with multivariate welfare optimization in matching systems. -
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A two-population game in observable double-ended queueing systems
Operations Research Letters, 50(4), 407–414Analyzes equilibrium interaction between two strategic populations in an observable matching queue.
Peer-reviewed conference papers
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Facial Recognition Ticket Gates in Railway Stations: A Queueing Model for Exceptions and Passenger Congestion
Proceedings of the Conference on Optimization, Modeling, Simulation, and Analytics (COMOSA ), Hanoi, Vietnam, August 7–8,Shows how failed authentications can turn near-frictionless biometric gates into a congestion bottleneck—and how thresholds, retries, capacity, adoption, and fairness should be planned together. -
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Safety Stock Model Selection Optimization for Budget-Constrained Multi-Item Inventory Management: A Scalable Framework
IEEE CASEA scalable framework for selecting safety-stock models across many items under an aggregate budget constraint. -
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M/M/c/Setup Queues: Conditional Mean Waiting Times and a Loop Algorithm to Derive Customer Equilibrium Threshold Strategy
EPEW 2022, Lecture Notes in Computer Science 13659Derives conditional waiting-time measures and a computational loop for equilibrium threshold strategies. -
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Queueing Analysis and Nash Equilibria in an Unobservable Taxi-passenger System with Two Types of Passenger
Proceedings of the 11th International Conference on Operations Research and Enterprise Systems, Volume 1: ICORES, 48–55, ISBN 978-989-758-548-7Models an unobservable taxi–passenger system with two passenger types and derives performance measures and Nash equilibrium joining rates. -
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Mixture Density Networks as a General Framework for Estimation and Prediction of Waiting Time Distributions in Queueing Systems
EPEW/ASMTA , Lecture Notes in Computer Science 13104Uses mixture density networks to estimate full waiting-time distributions rather than only point forecasts.
International conference papers (unrefereed)
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The rational outcome of queueing games: A fixed-point iteration based approach
10th International Congress on Industrial and Applied Mathematics (ICIAM), Tokyo, Japan, August 20–25,Unrefereed international conference paper. -
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Equilibria of supply and demand in double-ended queueing systems
31st European Conference on Operational Research, Athens, Greece, July 11–14,Unrefereed international conference paper.
Domestic conference papers (unrefereed)
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Nash equilibria in two-population queueing game
日本オペレーションズ・リサーチ学会年秋季研究発表会アブストラクト集Unrefereed domestic conference paper. -
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The rational outcome of a two-population game in a matching queue
第39回（年度）待ち行列シンポジウム「確率モデルとその応用」報文集Unrefereed domestic conference paper. -
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Equilibrium behavior in a double-ended queueing system with positive matching times
第38回（年度）待ち行列シンポジウム「確率モデルとその応用」(Online), 報文集Unrefereed domestic conference paper. -
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Customer joining behavior and performance analysis of the airport taxi-passenger queue with two types of customers
第37回（2020年度）待ち行列シンポジウム「確率モデルとその応用」(Online), 報文集Unrefereed domestic conference paper. -
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Mixture density networks (MDNs) as a general framework for estimation of waiting time distributions in queueing systems: Two case studies
第37回（2020年度）待ち行列シンポジウム「確率モデルとその応用」(Online), 報文集Unrefereed domestic conference paper.
Invited journal article
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両サイド型待ち行列における戦略的な挙動 ―多集団ゲーム理論的な解析―
オペレーションズ・リサーチ：経営の科学 68(10), 514–520Invited domestic journal article (in Japanese).
Doctoral dissertation
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Agent behaviors and optimal designs in double-ended queueing systems
Doctoral dissertation, University of TsukubaDoctoral work on strategic behavior, equilibria, and system design in matching queues.