Publications

Legend: * corresponding author; † equal contribution; underlined represents group members.

Submitted Papers and Preprints

2026

  1. Under Review
    priority.png
    Enforcing priority in schedule-based user equilibrium transit assignment
    Liyang Feng , Hanlin Sun , Yu Marco Nie , Jun Xie* , and Jiayang Li*
    2026
    Under Review
    HTML
  2. Under Review
    resilient.png
    Design-operation coordination for resilient multimodal transit systems under metro disruptions
    Zhiya Su , Enoch Lee* , Hong K Lo , Joseph Y. J. Chow , and Jiayang Li
    2026
    Under Review

2025

  1. TS Under Revision
    llm.png
    LLM-guided reinforcement learning with representative agents for traffic modeling
    Hanlin Sun , and Jiayang Li*
    2025
    Under Revision at Transportation Science
    HTML
  2. Under Review
    cardinality2.png
    Cardinality-constrained bilevel capacity expansion
    Lei Guo , and Jiayang Li*
    2025
    Under Review
    HTML
  3. TR-C Under Revision
    timetable.png
    Bilevel transit timetabling with synchronization at origin and transfer stops
    Liyang Feng , Jiayang Li , Zhandong Xu , and Jun Xie*
    2025
    Under Revision at Transportation Research Part C
    HTML
  4. TR-E Under Revision
    miniev.png
    Should micro electric vehicles be embraced? A perspective from equilibrium analysis
    Yineng Wang , Zhuoye Zhang , Jie Yang , Zuo-Jun Max Shen* , and Jiayang Li
    2025
    Under Revision at Transportation Research Part E
    HTML
  5. TS Under Revision
    information.png
    Can information design resolve electric vehicle charging chaos?
    Qianni Wang , Xiaotong Sun , Yu Marco Nie* , and Jiayang Li
    2025
    Under Revision at Transportation Science
    HTML

2024

  1. Under Review
    cardinality.png
    A cardinality-constrained approach to combinatorial bilevel congestion pricing
    Lei Guo , Jiayang Li , Yu Marco Nie , and Jun Xie
    2024
    Under Review
    HTML
  2. OR Under Revision
    scg.png
    Differentiable bilevel programming for Stackelberg congestion games
    Jiayang Li , Jing Yu , Qianni Wang , Boyi Liu , Zhaoran Wang , and Yu Marco Nie*
    2024
    Under Revision at Operations Research
    HTML

Conference/Journal Proceedings

2026

  1. OR
    bi-criteria.png
    An efficient algorithm for continuous bi-criteria traffic assignment
    Jun Xie , Qianni Wang , Jiayang Li , and Yu Marco Nie*
    Accepted to Operations Research (subject to a voluntary data and code review), 2026
    HTML
  2. ISTTT
    sensitivity.png
    A scalable descent algorithm for network design problems
    Jing Yu , Qianni Wang , Yu Marco Nie , and Jiayang Li*
    Accepted for ISTTT, 2026
    HTML
  3. ISTTT
    cumlog2.png
    A general algorithm for traffic assignment problems with continuously distributed user attributes
    Qianni Wang , Hui Li , Jun Xie , Yu Marco Nie* , and Jiayang Li*
    Accepted for ISTTT, 2026
    HTML

2025

  1. TR-B
    em.png
    Entropy maximization in multi-class traffic assignment
    Qianni Wang , Liyang Feng , Jiayang Li , Jun Xie , and Yu Marco Nie*
    Transportation Research Part B, 2025
    HTML
  2. TR-B
    modularity.png
    Exploiting modularity for co-modal passenger-freight transportation
    Hongyu Zheng , Jiayang Li , Jane Liu , and Yu Marco Nie*
    Transportation Research Part B, 2025
    HTML

2024

  1. TS
    meue.png
    A day-to-day dynamical approach to the most likely user equilibrium problem
    Jiayang Li , Qianni Wang , Liyang Feng , Jun Xie , and Yu Marco Nie*
    Transportation Science, 2024
    HTML
  2. TS
    cumlog.png
    Wardrop equilibrium can be boundedly rational: A new behavioral theory of route choice
    Jiayang Li , Zhaoran Wang , and Yu Marco Nie*
    Transportation Science, 2024
    HTML

2023

  1. TR-B
    transit.png
    Accessibility-based ethics-aware transit design
    Tianxing Dai† , Jiayang Li† , and Yu Marco Nie*
    Transportation Research Part B: Methodological, 2023
    HTML
  2. ICML
    hierarchy.png
    Achieving hierarchy-free approximation for bilevel programs with equilibrium constraints
    Jiayang Li , Jing Yu , Boyi Liu , Yu Marco Nie* , and Zhaoran Wang
    Proceeding of the 40th International Conference on Machine Learning, 2023
    HTML

2022

  1. NeurIPS
    single-loop.png
    Inducing equilibria via incentives: Simultaneous design-and-play ensures global convergence
    Boyi Liu† , Jiayang Li† , Zhuoran Yang , Hoi-To Wai , Mingyi Hong , Yu Marco Nie , and Zhaoran Wang*
    Advances in Neural Information Processing Systems 35, 2022
    HTML
  2. ICML
    mdp.png
    Adaptive model design for Markov decision process
    Siyu Chen† , Donglin Yang† , Jiayang Li , Senmiao Wang , Zhuoran Yang , and Zhaoran Wang*
    Proceeding of the 39th International Conference on Machine Learning, 2022
    HTML

2020

  1. NeurIPS
    e2e.png
    End-to-end learning and intervention in games
    Jiayang Li , Jing Yu , Yu Marco Nie* , and Zhaoran Wang
    Advances in Neural Information Processing Systems 33, 2020
    HTML