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Oct 23, 2024 Our paper entitled “A Novel Mixed-Integer Linear Programming Formulation for Continuous-Time Inventory Routing” is accepted by Computers & Operations Research.
Sep 27, 2024 Our papers entitled “IPM-LSTM: A Learning-Based Interior Point Method for Solving Nonlinear Programs” and “SymILO: A Symmetry-Aware Learning Framework for Integer Linear Optimization” are accepted by NeurIPS 2024.
May 01, 2024 Our paper entitled “PDHG-Unrolled Learning-to-Optimize Method for Large-Scale Linear Programming” is accepted by ICML 2024.
Apr 23, 2024 Our paper entitled “An Approximate-and-Optimize Method for Security-Constrained AC Optimal Power Flow” is accepted by LION 2024.
Apr 19, 2024 Our paper entitled “A Q-learning-based Multi-timescale Resilience Enhancement Approach for Power Grids with High Renewables” is accepted by ICPST 2024.
Apr 02, 2024 Our paper entitled “Routing and scheduling of platform supply vessels in offshore oil and gas logistics” is accepted by Computers & Operations Research.
Dec 10, 2023 Happy to give a talk entitled “Solving Large-Scale Optimization Problems via Learning-Based Methods” at YSSEC 2023.
Dec 05, 2023 My project “Solving Stochastic Mixed-Integer Programs via Enhanced Benders Decomposition Methods” is funded by Guangdong Basic and Applied Basic Research Foundation.
Nov 16, 2023 We won 3rd prize in the Power Grid-Oriented Optimization Solver Competition organized by Industry Development and Promotion Center at Ministry of Industry and Information Technology, China.
Aug 24, 2023 My project “Enhanced Mixed-Integer Programming Techniques for Security-Constrained Unit Commitment” is funded by National Natural Science Foundation of China.
Mar 21, 2023 My project “Efficient algorithms and strong relaxations for security-constrained alternate current optimal power flow” is funded by Shenzhen Science and Technology Program.
Jan 20, 2023 Our paper “A GNN-Guided Predict-and-Search Framework for Mixed-Integer Linear Programming” is accepted by ICLR 2023.
Jan 09, 2023 Our paper “Estimating the marginal cost to deliver to individual customers” is now accepted by Optimization and Engineering.
Oct 16, 2022 We gave an invited talk entitled “A Hierarchical Decomposition Approach for Railway Disruption Recovery” (link, slides) in INFORMS 2022 Annual Meeting, and our work won the 2nd place in the 2022 RAS Problem Solving Competition.
Oct 16, 2022 We gave a talk entitled “Workload Balancing in Periodic Distribution Scheduling and Routing Optimization” in INFORMS 2022 Annual Meeting.
Sep 14, 2022 I gave an invited talk entitled “An Introduction to Development and Applications of Mixed-Integer Linear Programming Solvers” at weekly seminar series organized by Prof. Chensong Zhang.
Dec 09, 2021 I gave an invited talk entitled “Efficient Primal Heuristics for Mixed-Integer Linear Programs” (video, slides, arXiv) at NeurIPS 2021 Annual Conference.
Nov 22, 2021 We won the 1st place in the primal task of Machine Learning for Combinatorial Optimization NeurIPS 2021 competition.
Oct 26, 2021 We gave a talk entitled “Periodic Vehicle Routing With Trips Spanning Multiple Days” in INFORMS 2021 Annual Meeting.
Aug 14, 2021 Our paper “Robust vehicle routing under uncertainty via branch-price-and-cut” is now accepted by Optimization and Engineering.
Jun 07, 2021 I join Shenzhen Research Institute of Big Data as a Research Scientist.
May 26, 2021 I gave an invited talk entitled “Mathematical Optimization and Its Application to Ride-Sharing” at DiDi Tech Show 2021.
Apr 26, 2021 Our paper “Mixed-integer linear optimization for full truckload pickup and delivery” is now accepted by Optimization Letters.
Mar 23, 2021 We submitted our paper “Robust Vehicle Routing under Uncertainty via Branch-Price-and-Cut”.
Jan 06, 2021 Our paper “On tackling reverse convex constraints for non-overlapping of unequal circles” is accepted by Journal of Global Optimization.
Nov 12, 2020 We presented our work “A Branch-price-and-cut Approach for Robust Vehicle Routing” in INFORMS 2020 Annual Meeting.
Aug 18, 2020 We submitted our paper “Mixed-integer Linear Optimization for Full Truckload Pickup and Delivery”.
Aug 11, 2020 I join DiDi as an Algorithm Engineer.
Jul 03, 2020 Our work “Vehicle Routing with Endogenous Learning: Application to Offshore Plug and Abandonment Campaign Planning” is now accepted by European Journal of Operational Research.
May 28, 2020 We published our work “A Branch-Price-and-Cut Algorithm for Robust Vehicle Routing under Demand Uncertainty” in Proceedings of the TSL Second Triennial Conference.
Apr 22, 2020 I defended my thesis with the title “Optimization Algorithms for Vehicle Routing and Packing Problems”.
Feb 14, 2020 Our abstract entitled “A Branch-Price-and-Cut Algorithm for Robust Vehicle Routing under Demand Uncertainty” has been accepted by the 2020 TSL conference.
Jan 16, 2020 We submitted our paper “Estimation of Marginal Cost to Serve Individual Customers”.
Dec 17, 2019 We submitted our paper “On Tackling Reverse Convex Constraints for Non-overlapping of Circles”.
Dec 06, 2019 We submitted our paper “Vehicle Routing with Endogenous Learning: Application to Offshore Plug and Abandonment Campaign Planning”.
Oct 22, 2019 I presented my recent work “Estimation of Marginal Cost to Serve Individual Customers” in INFORMS 2019 Annual Meeting.
Oct 22, 2019 I presented a talk “A Branch-and-Cut Algorithm for Continuous-time Inventory Routing” in INFORMS 2019 Annual Meeting.
Oct 01, 2019 I will chair a Transportation Procurement & Vehicle Routing session in INFORMS 2019 Annual Meeting and look forward to these interesting talks.
Jun 08, 2019 During the past two weeks, I visited Air Liquide Delaware Research and Technology Center and had the great opportunity to discuss with and learn from research peers and industry practitioners.
May 21, 2019 I am glad to join the YinzOR 2019 Organizing Committee. Our goal is to provide an opportunity for students who are interested in Operations Research, Management Science, Industrial Engineering, and other related fields to interact with each other.
Nov 30, 2018 I gave a PSE seminar talk with the title of “An Introduction to Intersection Cuts and Their Applications” at Carnegie Mellon University.
Nov 07, 2018 I presented a talk “A Customized Branch-and-Bound Approach for Circle Packing” in INFORMS 2018 Annual Meeting.
Sep 18, 2018 I will chair a Global Optimization session in INFORMS 2018 Annual Meeting and look forward to these interesting talks.
Sep 18, 2018 Our paper “A Scenario Decomposition Algorithm for Strategic Time Window Assignment Vehicle Routing Problems” is available online now.
Jun 08, 2018 We submitted our paper “A Scenario Decomposition Algorithm for Strategic Time Window Assignment Vehicle Routing Problems”.
Apr 05, 2018 I have been selected to receive the H. William and Ruth Hamilton Prengle Graduate Fellowship in Chemical Engineering for 2017-2018.
Mar 14, 2018 Our paper “A customized branch-and-bound approach for irregular shape nesting” is available online now.
Nov 27, 2017 I held my Thesis Proposal presentation with the title “Optimization Algorithms for Vehicle Routing under Uncertainty and Irregular Shape Nesting”.
Oct 25, 2017 I gave a presentation on the application of Global Optimization in Shape Nesting Problems in INFORMS 2017 Annual Meeting. My presentation title was “Irregular Shape Nesting via Branch-and-Bound Using Custom Relaxations”.
Oct 24, 2017 I gave a presentation with the title of “A Branch-Price-and-Cut Approach for Robust Vehicle Routing” in INFORMS 2017 Annual Meeting.
Dec 21, 2016 I have been selected to receive the James C. Meade Graduate Fellowship in Chemical Engineering for 2016-2017.